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[<FFFFFFFFFFF0> 48 1 0 -12 45.454] 124 @dc
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(cmti10.329) @sf
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(cmr10.329) @sf
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(cmti10.329) @sf
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(cmr10.329) @sf
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(cmti10.329) @sf
[<7FE0FFE07FF0> 16 3 -3 -8 16.262] 45 @dc
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(cmr10.329) @sf
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[ 329 ] /cmbx10.329 @newfont
(cmbx10.329) @sf
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(cmr10.329) @sf
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14 @bop1
(cmr10.329) @sf
280 307 p (2.) s
22 r (Authors,) s
12 r 86 c
-3 r (arious,) s
(cmcsc10.329) @sf
10 r (Unix) s
(cmti10.329) @sf
13 r (Se) s
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12 r (Mailing) s
13 r (List/Se) s
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12 r (Digest,) s
(cmr10.329) @sf
11 r (Decem-) s
338 364 p 98 c
1 r (er) s
15 r (1984-presen) s
(t.) s
280 457 p (3.) s
22 r (Baldwin,) s
13 r (Rob) s
1 r (ert) s
13 r (W.,) s
(cmti10.329) @sf
12 r 82 c
(ule) s
13 r (Base) s
-1 r 100 c
13 r 65 c
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13 r (of) s
14 r (Computer) s
14 r (Se) s
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(cmr10.329) @sf
11 r (Mas-) s
338 514 p (sac) s
104 c
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14 r (June) s
15 r (1987.) s
280 608 p (4.) s
22 r (Grampp,) s
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14 r (T.) s
15 r (and) s
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14 r (H.) s
14 r (Morris,) s
14 r 92 c
(cmcsc10.329) @sf
(Unix) s
(cmr10.329) @sf
14 r (Op) s
1 r (erating) s
14 r (System) s
14 r (Securit) s
121 c
-4 r (,") s
(cmti10.329) @sf
338 664 p 65 c
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16 r (Bel) s
2 r 108 c
16 r 76 c
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15 r 84 c
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16 r (Journal) s
(cmr10.329) @sf
44 c
15 r (Octob) s
1 r (er) s
15 r (1984.) s
280 758 p (5.) s
22 r (Kaplilo) s
(w,) s
15 r (Sharon) s
16 r (A.) s
16 r (and) s
15 r (Mikhail) s
16 r (Cherep) s
1 r 111 c
(v,) s
15 r (\\Quest|A) s
16 r (Securit) s
-1 r 121 c
15 r (Au-) s
338 814 p (diting) s
16 r 84 c
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(ol,") s
(cmti10.329) @sf
16 r 65 c
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15 r (Bel) s
3 r 108 c
17 r 76 c
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16 r 84 c
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16 r (Journal,) s
(cmr10.329) @sf
15 r 65 c
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15 r (Bell) s
338 871 p (Lab) s
1 r (oratories) s
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15 r (Ma) s
(y/June) s
14 r (1988.) s
280 965 p (6.) s
22 r (Smith,) s
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15 r (\\T) s
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15 r (the) s
15 r (Damned,") s
(cmcsc10.329) @sf
16 r (Unix) s
(cmti10.329) @sf
16 r 82 c
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(cmr10.329) @sf
15 r 70 c
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14 r (1988.) s
280 1059 p (7.) s
22 r (Spa\013ord,) s
18 r (Eugene,) s
17 r (Kathleen) s
18 r (Heaph) s
121 c
16 r (and) s
17 r (Da) s
(vid) s
17 r 70 c
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(cmti10.329) @sf
16 r (Computer) s
338 1115 p (Viruses:) s
14 r (De) s
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14 r (with) s
14 r (Ele) s
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13 r 86 c
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14 r (and) s
14 r (Pr) s
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14 r (Thr) s
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(cmr10.329) @sf
338 1171 p (ADP) s
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280 1265 p (8.) s
22 r (Sp) s
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13 r (Bruce,) s
14 r (\\sp) s
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13 r 65 c
(cmcsc10.329) @sf
13 r (Unix) s
(cmr10.329) @sf
14 r (File) s
13 r (System) s
13 r (Securit) s
121 c
13 r (Monitor,") s
(cmti10.329) @sf
13 r (Pr) s
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338 1322 p (ings) s
19 r (of) s
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19 r 76 c
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18 r (Instal) s
3 r (lation) s
19 r (Systems) s
19 r 65 c
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18 r (III) s
19 r (Workshop,) s
(cmr10.329) @sf
338 1378 p (Usenix) s
15 r (Asso) s
1 r (ciation,) s
15 r (Septem) s
98 c
(er,) s
16 r (1988.) s
280 1472 p (9.) s
22 r (Thompson,) s
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17 r (\\Re\015ections) s
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15 r 84 c
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(cmbx10.329) @sf
15 r (27) s
(cmr10.329) @sf
17 r (\(8\),) s
(cmti10.329) @sf
17 r (Communi-) s
338 1528 p 99 c
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16 r (of) s
16 r (the) s
16 r 65 c
(CM,) s
(cmr10.329) @sf
14 r (August) s
15 r (1984.) s
257 1622 p (10.) s
23 r 87 c
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111 c
1 r (d,) s
16 r 80 c
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14 r (and) s
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15 r (Ko) s
1 r 99 c
(hran,) s
(cmcsc10.329) @sf
14 r (Unix) s
(cmti10.329) @sf
17 r (System) s
16 r (Se) s
-1 r (curity,) s
(cmr10.329) @sf
14 r (Ha) s
(yden) s
338 1679 p (Bo) s
1 r (oks,) s
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257 1772 p (11.) s
23 r 87 c
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111 c
1 r (d,) s
16 r 80 c
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14 r (\\A) s
15 r (Loss) s
16 r (of) s
15 r (Inno) s
1 r (cence,") s
(cmcsc10.329) @sf
15 r (Unix) s
(cmti10.329) @sf
16 r 82 c
-1 r (eview,) s
(cmr10.329) @sf
14 r 70 c
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15 r (1988.) s
949 2577 p (14) s
@eop
13 @bop0
(cmcsc10.329) @sf
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(cmr10.329) @sf
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101 c
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118 c
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(elopmen) s
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18 r (of) s
(cmcsc10.329) @sf
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(cmr10.329) @sf
59 c
22 r (and) s
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(cmcsc10.329) @sf
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(cmr10.329) @sf
224 420 p (migh) s
116 c
14 r (nev) s
(er) s
14 r (ha) s
118 c
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(cmbx10.432) @sf
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(cmcsc10.432) @sf
23 r (Cops) s
(cmcsc10.329) @sf
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(um) s
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(cmr10.329) @sf
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(t,) s
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(as) s
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(ell) s
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(ymous) s
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(cmti10.329) @sf
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44 c
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14 r (regretfully) s
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14 r (mail) s
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14 r (of) s
(cmcsc10.329) @sf
14 r (Cops) s
(cmr10.329) @sf
15 r (to) s
14 r (sites,) s
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101 c
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14 r (as) s
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101 c
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118 c
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104 c
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98 c
(er) s
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1 r (onse) s
224 1361 p 84 c
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119 c
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19 r 97 c
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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(ell) s
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116 c
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118 c
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119 c
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(ely) s
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121 c
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(cmr10.329) @sf
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121 c
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(ell-kno) s
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(ternet) s
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(CM,) s
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104 c
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(erger,) s
(cmti10.329) @sf
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(cmr10.329) @sf
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@eop
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[ 329 ] /cmss10.329 @newfont
(cmss10.329) @sf
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[<FFFCFFFCFFFCFFFC> 16 4 -1 -9 18.680] 45 @dc
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(cmr10.329) @sf
224 307 p (mo) s
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121 c
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119 c
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116 c
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(eaknesses) s
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15 r (co) s
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(cmr10.329) @sf
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(er) s
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116 c
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(cmti10.329) @sf
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(cmr10.329) @sf
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121 c
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(cmss10.329) @sf
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(cmr10.329) @sf
44 c
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104 c
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13 r 119 c
(ould) s
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97 c
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(cmcsc10.329) @sf
15 r (Cops) s
(cmr10.329) @sf
46 c
(cmbx12.300) @sf
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(king) s
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118 c
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(cmr10.329) @sf
46 c
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116 c
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97 c
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104 c
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116 c
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119 c
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121 c
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(ould) s
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224 2210 p (resolv) s
101 c
14 r (an) s
121 c
14 r (di\013erences.) s
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@eop
10 @bop0
(cmr10.329) @sf
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(cmbx12.300) @sf
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10 @bop1
(cmr10.329) @sf
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15 r (and) s
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121 c
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101 c
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118 c
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13 r (di\016cult) s
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14 r (an) s
14 r (alarming) s
13 r 110 c
(um-) s
224 910 p 98 c
1 r (er) s
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224 966 p (necessary) s
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17 r (bugs.) s
25 r (Pro) s
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(hec) s
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(wn) s
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17 r (migh) s
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101 c
(cmcsc10.329) @sf
16 r (Cops) s
(cmr10.329) @sf
224 1023 p (more) s
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14 r (th) s
(us) s
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15 r (goals.) s
20 r 65 c
116 c
13 r (the) s
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224 1079 p 99 c
(hec) s
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(ery) s
12 r (useful) s
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13 r (administrators) s
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13 r (sites) s
13 r (with) s
224 1136 p (access) s
15 r (to) s
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16 r (co) s
1 r (de.) s
295 1192 p (If) s
10 r 119 c
101 c
9 r 107 c
(eep) s
10 r (in) s
10 r (mind) s
11 r (that) s
(cmcsc10.329) @sf
10 r (Cops) s
(cmr10.329) @sf
10 r (is) s
11 r (in) s
(tended) s
9 r (as) s
11 r 97 c
10 r (system) s
11 r (for) s
10 r (regular) s
10 r (use) s
11 r 98 c
121 c
9 r (an) s
224 1249 p (administrator,) s
13 r 119 c
101 c
11 r (conclude) s
12 r (that) s
12 r 99 c
(hec) s
-1 r (king) s
11 r (for) s
12 r (kno) s
(wn) s
11 r (bugs) s
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12 r (appropriate,) s
224 1305 p 98 c
1 r (ecause) s
20 r (suc) s
104 c
19 r 99 c
(hec) s
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18 r (are) s
20 r (ordinarily) s
20 r (done) s
20 r (once) s
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1 r (eated.) s
35 r (Th) s
(us,) s
20 r 97 c
224 1362 p (separate) s
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13 r (for) s
14 r 99 c
-1 r (hec) s
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12 r (kno) s
(wn) s
12 r (bugs) s
13 r 119 c
(ould) s
12 r 98 c
1 r 101 c
13 r (appropriate|a) s
13 r 97 c
14 r (system) s
224 1418 p (that) s
18 r (migh) s
116 c
17 r 98 c
2 r 101 c
18 r (distributed) s
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18 r 97 c
19 r (more) s
18 r (con) s
-1 r (trolled) s
18 r (manner.) s
29 r 87 c
-3 r 101 c
18 r (are) s
18 r (curren) s
(tly) s
224 1474 p (considering) s
15 r (di\013eren) s
116 c
14 r (metho) s
1 r (ds) s
16 r (of) s
15 r (distributing) s
15 r (suc) s
104 c
14 r 97 c
15 r (system.) s
(cmbx12.300) @sf
224 1596 p (5.2) s
56 r (Chec) s
(ksums) s
17 r (and) s
19 r (Signatures) s
(cmr10.329) @sf
224 1682 p (Chec) s
(ksums) s
18 r (and) s
19 r (cryptographically-generated) s
19 r (signatures) s
20 r (could) s
19 r 98 c
1 r 101 c
19 r (an) s
19 r (excel-) s
224 1738 p (len) s
116 c
17 r (metho) s
1 r 100 c
19 r (of) s
18 r (ensuring) s
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19 r (imp) s
1 r (ortan) s
116 c
17 r (\014les) s
18 r (and) s
19 r (programs) s
18 r (ha) s
118 c
-2 r 101 c
18 r (not) s
18 r 98 c
1 r (een) s
224 1795 p (compromised.) s
(cmcsc10.329) @sf
22 r (Cops) s
(cmr10.329) @sf
16 r (could) s
15 r 98 c
2 r 101 c
15 r (enhanced) s
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16 r (regenerate) s
15 r (these) s
16 r 99 c
(hec) s
-1 r (ksums) s
14 r (and) s
224 1851 p (compare) s
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23 r (existing) s
22 r (references.) s
41 r 84 c
-3 r 111 c
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(to) s
(cmcsc10.329) @sf
21 r (Cops) s
(cmr10.329) @sf
22 r (will) s
224 1908 p (require) s
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1 r (oth) s
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(hec) s
-2 r (ksum) s
19 r (generator) s
21 r (and) s
20 r (the) s
224 1964 p (stored) s
15 r 99 c
(hec) s
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119 c
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1 r (oses) s
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224 2021 p (trators) s
13 r (migh) s
116 c
12 r (rely) s
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(hanism) s
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2 r 111 c
13 r 109 c
(uc) s
-2 r 104 c
13 r (and) s
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13 r (forms) s
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224 2077 p 99 c
(hec) s
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12 r (situations) s
12 r (where) s
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12 r (soft) s
119 c
-2 r (are) s
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12 r (added) s
12 r (to) s
12 r (the) s
12 r (system.) s
(cmbx12.300) @sf
224 2199 p (5.3) s
56 r (Detecting) s
19 r 99 c
-1 r (hanges) s
18 r (in) s
19 r (imp) s
1 r (ortan) s
116 c
17 r (\014les) s
(cmr10.329) @sf
224 2285 p (There) s
15 r (are) s
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14 r (\014les) s
15 r (that) s
15 r (should) s
14 r 99 c
(hange) s
14 r (infrequen) s
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20 r (The) s
15 r (\014les) s
224 2341 p (in) s
118 c
-1 r (olv) s
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22 r (to) s
21 r (site.) s
(cmcsc10.329) @sf
38 r (Cops) s
(cmr10.329) @sf
21 r (could) s
22 r (easily) s
21 r 98 c
1 r 101 c
21 r (mo) s
1 r (di\014ed) s
22 r (to) s
21 r 99 c
(hec) s
-2 r 107 c
224 2398 p (these) s
21 r (\014les) s
20 r (and) s
21 r (notify) s
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20 r 99 c
(hanges) s
20 r (in) s
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(ten) s
-1 r (ts) s
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949 2577 p (10) s
@eop
9 @bop0
[ 300 ] /cmr8.300 @newfont
(cmr8.300) @sf
[<FFF07FF03FF0101808080C0806000300018000C000600070007000384038E038C0388030407030E00F80> 16 21 -2 0 17.642] 50 @dc
(cmbx10.432) @sf
[<00FF800003FFF0000FFFF8001F01FE003C007F0078003F8078003F80FC001FC0FE001FC0FE001FE0FE001FE0FE001FE07C00
  1FE018001FE000001FE000001FE000001FC000001FC000001F800C003F000E003E000F80FC000FFFF8000E7FC0000E000000
  0E0000000E0000000E0000000E0000000E0000000FFE00000FFFC0000FFFE0000FFFF0000FFFF8000FFFFC000FFFFE000F80
  3F000C000300> 32 39 -3 0 34.370] 53 @dc
[<FFFFFC0000FFFFFC0000FFFFFC000003FC00000003FC00000003FC00000003FC00000003FC00000003FC00000003FC000000
  03FC00000003FC00000003FC03800003FC03800003FC03800003FC03800003FC07800003FC07800003FC1F800003FFFF8000
  03FFFF800003FFFF800003FC1F800003FC07800003FC07800003FC03800003FC03807003FC03807003FC03807003FC0000F0
  03FC0000E003FC0000E003FC0000E003FC0001E003FC0001E003FC0003E003FC000FE003FC003FC0FFFFFFFFC0FFFFFFFFC0
  FFFFFFFFC0> 40 41 -3 0 43.253] 70 @dc
[<00000E00000700000000001F00000F80000000001F00000F80000000001F80001F80000000003F80001FC0000000003F8000
  1FC0000000003FC0003FC0000000007FC0003FE0000000007FC0003FE000000000FFE0007FF000000000FFE0007FF0000000
  00FFF000FFF000000001FE7000FF3800000001FE7000FF3800000001FE7801FF3800000003FC3801FE1C00000003FC3801FE
  1C00000007FC1C03FC1E00000007F81C03FC0E00000007F81E07FC0E0000000FF00E07F8070000000FF00E07F8070000001F
  F00F0FF0078000001FE0070FF0038000001FE0070FF0038000003FE0039FE003C000003FC0039FE001C000003FC003FFE001
  C000007F8001FFC000E000007F8001FFC000E00000FF8000FF8000F00000FF0000FF8000700000FF0000FF8000700001FF00
  00FF0000780001FE0000FF0000380001FE0001FF0000380003FC0001FE00001C0003FC0001FE00001C00FFFFE07FFFF007FF
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[ 300 ] /cmr6.300 @newfont
(cmr6.300) @sf
[<FFC07FC0202010200C0006000300018000C000600060C060806040C061801F00> 16 16 -1 0 15.220] 50 @dc
[ 300 ] /cmr9.300 @newfont
(cmr9.300) @sf
[<0020004000003000C000007000E000007000E000007801E000007801E00000E801D00000E403900000E403900001C4038800
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[<07E00C18380830046000E000E000E000E000FFFCE00C600C701830181C3007C0> 16 16 -1 0 17.079] 101 @dc
[<010040000180C0000380E0000380E00003C1E0000741D000074190000F2398000E2388000E2308001E170C001C1704001C16
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[<FF801C001C001C001C001C001C001C001C001C001C001C001C001C001C00FC0000000000000000000000000018003C003C00
  1800> 16 26 0 0 10.666] 105 @dc
[<FF801C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C00
  FC00> 16 26 0 0 10.666] 108 @dc
[<FF9FC01C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001E0E001E0E001D0C00FCF800> 24 16 -1 0 21.331] 110 @dc
[<07E01C38381C700E6006E007E007E007E007E007E0076006700E300C1C3807E0> 16 16 -1 0 19.198] 111 @dc
[<03800E401C201C201C201C201C201C001C001C001C001C001C001C001C00FFC03C001C000C000C00040004000400> 16 23 -1 0 14.932] 116 @dc
[<FF9FE7F81C0701C01C0701C01C0701C01C0701C01C0701C01C0701C01C0701C01C0701C01C0701C01C0701C01C0701C01E07
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[<10F0001B0C001E07001C03001C03801C01C01C01C01C01C01C01C01C01C01C01C01C01801C03801E07001F0E001CF8001C00
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[<1E3C71FBE0F1E071E071E070707030701C7007F000700070207070E070C03F80> 16 16 -2 0 19.198] 97 @dc
[<FFC01C001C001C001C001C001C001C001C001C001C001C001E201E701D70FCE0> 16 16 -1 0 15.018] 114 @dc
[<8F80F040C020C0308030807000F01FE03FC07F00F000C020C020402060E01F20> 16 16 -1 0 15.145] 115 @dc
[<FF9FC01C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001E0E001E0E001D0C001CF8001C00
  001C00001C00001C00001C00001C00001C00001C00001C0000FC0000> 24 26 -1 0 21.331] 104 @dc
[<00800001C00001C00001C00003A00003A0000790000710000710000E08000E08001E0C001C04001C04003C0600FF1F80> 24 16 -1 0 20.265] 118 @dc
[<07CFC01C2E00381E00700E00600E00E00E00E00E00E00E00E00E00E00E00E00E00700E00300E00380E000C3E0003CE00000E
  00000E00000E00000E00000E00000E00000E00000E00000E00007E00> 24 26 -1 0 21.331] 100 @dc
[<780000E40000E20000E1000001000001000000800000800001C00001C00001C00003A00003A0000790000710000710000E08
  000E08001E0C001C04001C04003C0600FF1F80> 24 23 -1 7 20.265] 121 @dc
[<07E00C18380830047000E000E000E000E000E000E00070003008381C0C1C07F8> 16 16 -1 0 17.065] 99 @dc
[<07E0381C6006C003C003C003C003600F1FFE3FFC3FF07000600020002FC0186030307038703870387038303018730FCE> 16 24 -1 8 19.198] 103 @dc
[<07CFC00C2E001C1E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E00FC7E00> 24 16 -1 0 21.331] 117 @dc
[<7FE00E000E000E000E000E000E000E000E000E000E000E000E000E000E00FFC00E000E000E000E000E000E000E1007380318
  01F0> 16 26 0 0 11.732] 102 @dc
[<007FC0000E00000E00000E00000E00000E00000E0007CE001C2E00381E00700E00700E00E00E00E00E00E00E00E00E00E00E
  00E00E00700E00300E00381E000C260003C200> 24 23 -1 7 20.265] 113 @dc
[<60F0F060> 8 4 -3 0 10.666] 46 @dc
[<FF00FFC01C001E0008001C0008001C00040038000400380006007800020070000200700001FFE0000100E0000100E0000081
  C0000081C0000081C0000043800000438000004380000027000000270000003F0000001E0000001E0000000C0000000C0000
  000C0000> 32 26 -1 0 28.792] 65 @dc
[<FF80001C00001C00001C00001C00001C00001C00001CF0001F0C001E07001C03001C03801C01C01C01C01C01C01C01C01C01
  C01C01C01C03801C03801E07001F0E00FCF800> 24 23 -1 7 21.331] 112 @dc
[<FFF07030701038101C081C080E0807000700038041C041C040E0407060707FF8> 16 16 -1 0 17.065] 122 @dc
[<8040202010101070F0F060000000000000000060F0F060> 8 23 -3 7 10.666] 59 @dc
9 @bop1
(cmr10.329) @sf
224 307 p 98 c
121 c
17 r (the) s
17 r (system) s
18 r (ha) s
118 c
-1 r 101 c
16 r 98 c
2 r (een) s
17 r (quite) s
18 r 112 c
1 r (ositiv) s
(e.) s
27 r 87 c
-3 r 101 c
17 r (ha) s
118 c
-2 r 101 c
17 r (also,) s
19 r (unfortunately) s
-3 r 44 c
17 r (had) s
224 364 p 97 c
16 r (few) s
15 r (rep) s
1 r (orts) s
16 r (that) s
(cmcsc10.329) @sf
15 r (Cops) s
(cmr10.329) @sf
15 r (ma) s
121 c
15 r (ha) s
-1 r 118 c
-1 r 101 c
14 r 98 c
2 r (een) s
15 r (used) s
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15 r (aid) s
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16 r 118 c
-2 r (andalizing) s
15 r (systems) s
224 420 p 98 c
121 c
17 r (exp) s
1 r (osing) s
19 r 119 c
-1 r 97 c
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17 r (to) s
18 r (break) s
19 r (in.) s
29 r (In) s
18 r (one) s
18 r (case,) s
19 r (the) s
18 r 118 c
-1 r (andal) s
17 r (used) s
(cmcsc10.329) @sf
18 r (Cops) s
(cmr10.329) @sf
18 r (to) s
18 r (\014nd) s
224 477 p 97 c
18 r (user) s
17 r (directory) s
18 r (with) s
17 r (protection) s
18 r (mo) s
1 r (des) s
17 r (777.) s
28 r (In) s
17 r (the) s
18 r (other) s
17 r (case,) s
18 r (the) s
18 r 118 c
-2 r (andal) s
224 533 p (used) s
(cmcsc10.329) @sf
15 r (Cops) s
(cmr10.329) @sf
14 r (to) s
14 r (\014nd) s
15 r 97 c
14 r (writable) s
15 r (system) s
14 r (directory) s
-3 r 46 c
19 r (Note,) s
15 r (ho) s
119 c
-2 r (ev) s
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14 r (that) s
14 r (in) s
15 r 98 c
1 r (oth) s
224 589 p (of) s
15 r (these) s
16 r (cases,) s
15 r (the) s
15 r (same) s
15 r (vulnerabilit) s
121 c
14 r (could) s
15 r (ha) s
118 c
-1 r 101 c
14 r (easily) s
15 r 98 c
1 r (een) s
16 r (found) s
15 r (without) s
(cmcsc10.329) @sf
224 646 p (Cops) s
(cmr10.329) @sf
46 c
295 702 p (It) s
15 r (is) s
16 r (in) s
-1 r (teresting) s
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16 r 119 c
-1 r 101 c
15 r (ha) s
118 c
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15 r (tested,) s
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224 759 p (limited) s
22 r (feedbac) s
-1 r 107 c
21 r 119 c
101 c
20 r (receiv) s
(ed) s
20 r (from) s
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1 r (eople) s
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22 r (ha) s
118 c
-2 r 101 c
21 r (utilized) s
21 r (it,) s
23 r 111 c
118 c
-1 r (er) s
20 r (half) s
224 815 p (the) s
21 r (systems) s
20 r (had) s
21 r (securit) s
121 c
20 r (problems) s
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21 r (ro) s
1 r (ot) s
21 r (user.) s
224 872 p (Whether) s
19 r (that) s
19 r (can) s
19 r 98 c
1 r 101 c
19 r (generalized) s
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19 r 97 c
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2 r (opulation) s
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224 928 p (kno) s
(wn;) s
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12 r (researc) s
104 c
10 r (is) s
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-1 r 119 c
11 r (vulnerable) s
12 r 97 c
11 r 116 c
(ypical) s
224 985 p (site) s
18 r (ma) s
121 c
17 r 98 c
1 r (e.) s
29 r (Ev) s
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17 r (mac) s
(hines) s
17 r (that) s
18 r (ha) s
118 c
-2 r 101 c
17 r (come) s
18 r (straigh) s
116 c
17 r (from) s
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18 r 118 c
(endor) s
17 r (are) s
224 1041 p (not) s
12 r (imm) s
(une) s
11 r (from) s
13 r (pro) s
1 r (cedural) s
12 r (securit) s
121 c
11 r (problems.) s
19 r (Critical) s
13 r (\014les) s
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224 1098 p (are) s
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14 r 119 c
-1 r (orld-writable,) s
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1 r (ed) s
14 r (so) s
13 r (that) s
14 r (an) s
121 c
224 1154 p (other) s
15 r (mac) s
(hine) s
13 r (ho) s
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14 r (same) s
15 r (net) s
119 c
-1 r (ork) s
13 r (can) s
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224 1210 p (It) s
12 r (underscores) s
12 r (this) s
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12 r (when) s
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12 r 118 c
(endor's) s
11 r (op) s
1 r (erational) s
12 r (man) s
(ual) s
224 1267 p (harshly) s
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16 r (placing) s
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(cmr8.300) @sf
597 1363 p 50 c
(cmr10.329) @sf
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(cmcsc10.329) @sf
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(cmr10.329) @sf
46 c
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(ould) s
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121 c
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224 1606 p 98 c
121 c
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(cmbx10.432) @sf
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(cmr10.329) @sf
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(tion) s
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97 c
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107 c
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101 c
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121 c
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(aited,) s
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(as) s
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101 c
(cmcsc10.329) @sf
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(cmr10.329) @sf
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(us,) s
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101 c
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107 c
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(cmr6.300) @sf
276 2312 p 50 c
(cmr9.300) @sf
293 2328 p 87 c
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(endor) s
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121 c
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104 c
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121 c
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(endors) s
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(en) s
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(vide) s
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224 2419 p 109 c
(uc) s
-1 r 104 c
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(arning.) s
(cmr10.329) @sf
960 2577 p 57 c
@eop
8 @bop0
(cmbx10.432) @sf
[<00FF800007FFF0001FFFFC003F01FE007C007F007E007F80FF007FC0FF003FC0FF003FE0FF003FE07E003FE03C003FE00000
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  F000007F8000> 32 39 -3 0 34.370] 51 @dc
[<00001FF800000001FFFF00000007FFFFC000000FF007E000003FC000F000007F00003800007E00001C0000FE00001C0001FE
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  070003FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC00000700
  03FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC0000070003FC
  0000070003FC0000070003FC0000070003FC0000070003FC00000700FFFFF001FFFCFFFFF001FFFCFFFFF001FFFC> 48 41 -3 0 52.883] 85 @dc
(cmss10.329) @sf
[<07C00FF01FF01E201E001E001E001E001E001E001E001E001E001E001E001E001E00FFF0FFF0FFF01E001E001E001E001E00
  1E00> 16 26 -1 0 16.414] 116 @dc
[<03F00FFE1FFF3E0F3C0178007800F000F000F000F000F000F000780078003C023E0E1FFE0FFC03F0> 16 20 -2 0 20.202] 99 @dc
[<F000F000F000F000F000F000F000F000F000F000F000F000F800F800FC00FC00FF00F7E0F3E0F0E0> 16 20 -3 0 15.530] 114 @dc
[<01F80007FE001FFF803F0FC03C03C07801E07801E0F000F0F000F0F000F0F000F0F000F0F000F07801E07801E03C03C03F0F
  C01FFF8007FE0001F800> 24 20 -1 0 22.727] 111 @dc
(cmr10.329) @sf
[<007FFE000007C0000003C0000003C0000003C0000003C0000003C0000003C0000003C0000003C0000003C0000003C0000003
  C0000007C0000007A000000FB000001F1000001E0800003E0800003C0400007C040000F8020000F0030001F0010001E00080
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(cmbx10.432) @sf
[<007FFFF8007FFFF8007FFFF80000FE000000FE000000FE000000FE000000FE000000FE000000FE000000FE00FFFFFFF8FFFF
  FFF8FFFFFFF8E0007E0070007E0038007E001C007E000E007E000E007E0007007E0003807E0001C07E0000E07E0000E07E00
  00707E0000387E00001C7E00000E7E00000E7E0000077E000003FE000001FE000000FE000000FE0000007E0000003E000000
  1E0000000E00> 32 39 -2 0 34.370] 52 @dc
[<FFFFFFFFF0FFFFFFFFF0FFFFFFFFF003FC001FF803FC0003F803FC0001F803FC0000F803FC00007803FC00003803FC00003C
  03FC00001C03FC00001C03FC00001C03FC01C01C03FC01C00E03FC01C00E03FC01C00E03FC03C00003FC03C00003FC0FC000
  03FFFFC00003FFFFC00003FFFFC00003FC0FC00003FC03C00003FC03C00003FC01C03803FC01C03803FC01C03803FC01C078
  03FC00007003FC00007003FC00007003FC0000F003FC0001F003FC0001F003FC0007F003FC001FE0FFFFFFFFE0FFFFFFFFE0
  FFFFFFFFE0> 40 41 -3 0 45.163] 69 @dc
[<FFF01FFF80FFF01FFF80FFF01FFF8003C007F00001C00FE00001E01FE00000F01FC00000783F8000003C7F0000001EFE0000
  001FFE0000000FFC00000007F800000007F00000000FF00000000FF00000001FF00000003FF80000007F3C000000FF1E0000
  00FE0F000001FC07800003F807800007F003C000FFFC0FFF00FFFC0FFF00FFFC0FFF00> 40 27 -1 0 36.280] 120 @dc
[<0001C000000003E000000003E000000007F000000007F00000000FF80000000FF80000000FF80000001FDC0000001FDC0000
  003FDE0000003F8E0000007F8F0000007F070000007F07000000FE03800000FE03800001FC01C00001FC01C00003FC01E000
  03F800E00007F800F00007F000700007F0007000FFFE03FF80FFFE03FF80FFFE03FF80> 40 27 -1 0 36.280] 118 @dc
8 @bop1
(cmbx10.432) @sf
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69 r (Usage) s
(cmr10.329) @sf
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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26 r (After) s
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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(utes) s
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119 c
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121 c
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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(cmr10.329) @sf
21 r (or) s
(cmss10.329) @sf
224 804 p (cron) s
(cmr10.329) @sf
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121 c
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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(ell) s
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121 c
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116 c
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(our) s
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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(hec) s
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121 c
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(ust) s
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(truders) s
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118 c
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(our) s
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121 c
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101 c
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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(our) s
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(er) s
14 r 119 c
(asted.) s
(cmbx10.432) @sf
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(cmr10.329) @sf
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121 c
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119 c
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121 c
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121 c
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121 c
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118 c
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(wn) s
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121 c
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(to) s
(cmcsc10.329) @sf
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(cmr10.329) @sf
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224 2178 p (securit) s
121 c
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(cmcsc10.329) @sf
295 2234 p (Cops) s
(cmr10.329) @sf
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(ths) s
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224 2290 p (1990\).) s
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(ed) s
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224 2403 p (the) s
15 r (ease) s
14 r (of) s
15 r (use,) s
15 r (the) s
15 r (readabilit) s
-1 r 121 c
14 r (of) s
15 r (the) s
14 r (co) s
2 r (de,) s
14 r (and) s
15 r (the) s
15 r (range) s
14 r (of) s
15 r (things) s
15 r 99 c
-1 r (hec) s
-1 r 107 c
-1 r (ed) s
960 2577 p 56 c
@eop
7 @bop0
(cmss10.329) @sf
[<0F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00F00
  F0FFF8F0FFF8F0FFF8F00F00000F00000F00000F00000F00000F00000F000007000007800003F8F001F8F000F8F00000F0> 24 33 0 0 24.368] 12 @dc
[<F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0> 8 32 -3 0 10.858] 108 @dc
[<01F80007FE001FFF003E07003C0100780000700000F00000F00000F00000FFFF80FFFF80FFFF807003807807003C07003E1F
  001FFE000FFC0003F000> 24 20 -1 0 20.202] 101 @dc
[<F0F0F0F0> 8 4 -4 0 12.626] 46 @dc
[<F00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF80FF80FFC1FF7FEF3FCF1F8F000F000F000F000F000
  F000F000F000F000F000F000F000> 16 32 -3 0 23.484] 104 @dc
(cmbx10.329) @sf
[<03F8FF0FFEFF1F07F83E01F87E00F87C00F87C00F8FC00F8FC00F8FC00F8FC00F8FC00F8FC00F87C00F87C00F87E00F83E01
  F81F83F80FFEF801F8F80000F80000F80000F80000F80000F80000F80000F80000F80000F80000F80007F80007F8> 24 32 -2 0 29.040] 100 @dc
[<00FF8007FFE00F80701E00183E00187C00007C0000FC0000FC0000FC0000FFFFF8FFFFF8FC00F87C00F87C00F03E00F01E01
  E00F83C007FF8001FE00> 24 20 -1 0 23.958] 101 @dc
[<001C0000001C0000003E0000003E0000007F0000007F000000FF800000F9800001F9C00001F0C00001F0C00003E0600003E0
  600007C0300007C030000F8018000F8018001F001C00FFE07F80FFE07F80> 32 20 -1 0 27.588] 118 @dc
[<387CFEFEFE7C38> 8 7 -4 0 14.520] 46 @dc
[<01FC0007FF001F81C03F00C03E00607E00007C0000FC0000FC0000FC0000FC0000FC0000FC00007C03007C0FC03E0FC03E0F
  C01F0FC007FF8001FE00> 24 20 -2 0 23.232] 99 @dc
[<FFE3FFFFE3FF1F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F80F81FC0
  F81F61F01F3FE01F0FC01F00001F00001F00001F00001F00001F00001F00001F00001F00001F0000FF0000FF0000> 24 32 -3 0 29.040] 104 @dc
[<FFC3FFFFC3FF1E00F81E01F01E01E01E03C01E07C01E0F801F0F001F9E001FFC001F7C001F18001F0C001F07001F03801F00
  C01F00F01F01FE1F01FE1F00001F00001F00001F00001F00001F00001F00001F00001F00001F0000FF0000FF0000> 24 32 -2 0 27.588] 107 @dc
[<01FF0007FFC01F83F03E00F83E00F87C007C7C007CFC007EFC007EFC007EFC007EFC007EFC007E7C007C7C007C3E00F83E00
  F81F83F007FFC001FF00> 24 20 -1 0 26.136] 111 @dc
[<FFE3FF8FFEFFE3FF8FFE1F007C01F01F007C01F01F007C01F01F007C01F01F007C01F01F007C01F01F007C01F01F007C01F0
  1F007C01F01F007C01F01F007C01F01F007C01F01F807E01F01E807E01F01E407D01F01E70F9C3E0FE1FF07FC0FE0FE03F80> 40 20 -3 0 43.559] 109 @dc
[<2070180C0E060603033B7FFFFFFE7C38> 8 16 -4 9 14.520] 44 @dc
[<03F8FF07FCFF0F06F81F01F81F01F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00
  F81F00F8FF07F8FF07F8> 24 20 -3 0 29.040] 117 @dc
[<C7F0FFFCF81EF006E007C007C007001F03FE1FFE3FFC7FF8FFC0F800E006E006600E701E3FFE0FE6> 16 20 -2 0 20.618] 115 @dc
[<FFF000FFF0001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F03001F8FC01E8FC01E8F
  C01ECFC0FE7F80FE3E00> 24 20 -2 0 21.527] 114 @dc
(cmti10.329) @sf
[<3C00000062000000F3000000798000003180000001C0000001C0000000C0000000E0000000E0038000E0064000E00E200070
  0E2000700E2000700E2000700710007007000038070000380700003803800038038000380380001C0380001C01C0001C01C0
  001C01C0001C01C0000E00E000FFFFE0000E0000000E0000000E000000070000000700000007000000070030000300780003
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(cmbx10.329) @sf
[<01F003F807CC0F860F860F860F860F860F800F800F800F800F800F800F800F800F800F80FFFCFFFC3F800F80078003800380
  0380018001800180> 16 29 -1 0 20.328] 116 @dc
(cmss10.329) @sf
[<F007803CF007803CF007803CF007803CF007803CF007803CF007803CF007803CF007803CF007803CF007803CF007803CF007
  803CF007803CF807C03CF807C03CFE0FF07CF7FF3FF8F3FE1FF0F0FC07E0> 32 20 -3 0 36.110] 109 @dc
[<0FC07FF0FFF8F07CC03C003C003C007C03F80FF81FF03FC07C00780078007800780C3FFC1FFC07F0> 16 20 -1 0 17.424] 115 @dc
(cmti10.329) @sf
[<0FFE0000E00000E0000070000070000070000070000038000038000F380030B800705C00703C00F01C00F01C00F00E00F00E
  00F00E00F00E007807007807007807003807003C03801C03800E03800705800388C000F040> 24 29 -4 9 20.908] 113 @dc
(cmbx10.329) @sf
[<FFE0FFE01F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F00FF00FF0000000000000000000000
  00001C003E003F007F003F003E001C00> 16 33 -2 0 14.520] 105 @dc
[<0FE07E3FF8FE7E0DE0FC05E0F803E0F803E0F803E07C03E03C03E01F03E007FBE0007FE00003E00C03E03F03E03F03E03F07
  C03F0F801FFF0007FC00> 24 20 -1 0 25.410] 97 @dc
[<FFE3FFFFE3FF1F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81F00F81E80F81EC0
  F81E61F0FE3FE0FE0FC0> 24 20 -3 0 29.040] 110 @dc
[<01FF000FFFE03F01F878003C78003CF0001EF0001EF0001E70003E3C007C1FFFFC07FFF80FFFF01FFF801C00001800001800
  0009FC000FFF000F07801E03C03E03E03E03E03E03E03E03E03E03E01E03DE0F079E07FFFE01FC3C> 24 30 -1 10 26.136] 103 @dc
7 @bop1
(cmr10.329) @sf
338 307 p 119 c
(orld-writable.) s
31 r (This) s
20 r (protects) s
19 r (against) s
19 r (an) s
20 r (attac) s
-1 r 107 c
-1 r (er) s
18 r (who) s
20 r (migh) s
116 c
18 r (try) s
19 r (to) s
338 364 p (mo) s
1 r (dify) s
14 r (an) s
121 c
14 r (programs) s
14 r (or) s
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15 r (with) s
14 r (ro) s
1 r (ot) s
15 r (privileges) s
14 r (at) s
338 420 p (the) s
12 r (time) s
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13 r (system) s
13 r (startup.) s
19 r (These) s
13 r (routines) s
12 r (extract) s
13 r (\014le) s
13 r (names) s
12 r (from) s
13 r (the) s
338 477 p (scripts) s
15 r (and) s
15 r (apply) s
15 r 97 c
15 r 99 c
(hec) s
-1 r 107 c
14 r (similar) s
15 r (to) s
15 r (that) s
15 r (in) s
(cmss10.329) @sf
16 r (\014le.chk) s
(cmr10.329) @sf
46 c
(cmbx10.329) @sf
247 570 p (dev.c) s
-1 r (hk) s
(cmr10.329) @sf
10 r 99 c
-1 r (hec) s
-1 r (ks) s
(cmti10.329) @sf
9 r (/dev/kmem,) s
13 r (/dev/mem) s
(cmr10.329) @sf
44 c
11 r (and) s
10 r (\014le) s
10 r (systems) s
10 r (listed) s
10 r (in) s
(cmti10.329) @sf
10 r (/etc/fstab) s
(cmr10.329) @sf
338 627 p (for) s
13 r 119 c
(orld) s
12 r (read/writabilit) s
121 c
-4 r 46 c
18 r (This) s
13 r (prev) s
(en) s
-1 r (ts) s
12 r 119 c
(ould-b) s
101 c
13 r (attac) s
107 c
-1 r (ers) s
12 r (from) s
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338 683 p (ting) s
14 r (around) s
14 r (\014le) s
14 r 112 c
1 r (ermissions) s
14 r (and) s
14 r (reading/writing) s
14 r (directly) s
14 r (from) s
14 r (the) s
14 r (de-) s
338 740 p (vice) s
15 r (or) s
15 r (system) s
15 r (memory) s
-3 r 46 c
(cmbx10.329) @sf
247 834 p (home.c) s
-1 r (hk,) s
22 r (user.c) s
(hk) s
(cmr10.329) @sf
19 r (These) s
19 r (programs) s
20 r 99 c
(hec) s
-1 r 107 c
19 r (eac) s
-1 r 104 c
19 r (user's) s
20 r (home) s
20 r (directory) s
338 890 p (and) s
12 r (initialization) s
11 r (\014les) s
12 r 40 c
(cmti10.329) @sf
(.lo) s
-1 r (gin,) s
13 r (.cshr) s
-2 r (c,) s
13 r (.pr) s
-1 r (o\014le) s
(cmr10.329) @sf
44 c
11 r (etc\)) s
12 r (for) s
12 r 119 c
-1 r (orld) s
11 r (writabilit) s
121 c
-4 r 46 c
(cmbx10.329) @sf
247 984 p (ro) s
1 r (ot.c) s
(hk) s
(cmr10.329) @sf
11 r (This) s
11 r 99 c
(hec) s
-1 r (ks) s
10 r (ro) s
2 r (ot) s
11 r (startup) s
12 r (\014les) s
11 r (\(e.g.,) s
(cmti10.329) @sf
13 r (/.lo) s
-2 r (gin,) s
13 r (/.pr) s
-1 r (o\014le) s
(cmr10.329) @sf
41 c
10 r (for) s
12 r (incorrect) s
(cmss10.329) @sf
338 1040 p (umask) s
(cmr10.329) @sf
12 r (settings) s
12 r (and) s
12 r (searc) s
104 c
10 r (paths) s
12 r (con) s
(taining) s
11 r (the) s
12 r (curren) s
116 c
11 r (directory) s
-3 r 46 c
18 r (This) s
338 1097 p (also) s
19 r (examines) s
(cmti10.329) @sf
20 r (/etc/hosts.e) s
-1 r (quiv) s
(cmr10.329) @sf
18 r (for) s
20 r (to) s
1 r 111 c
20 r 109 c
-1 r (uc) s
-1 r 104 c
19 r (accessibilit) s
-1 r 121 c
-3 r 44 c
19 r (and) s
20 r 97 c
19 r (few) s
338 1153 p (miscellaneous) s
15 r (other) s
15 r (tests) s
15 r (that) s
15 r (do) s
16 r (not) s
15 r (\014t) s
15 r (an) s
(ywhere) s
14 r (else.) s
(cmbx10.329) @sf
247 1247 p (suid.c) s
-1 r (hk) s
(cmr10.329) @sf
15 r (This) s
16 r (program) s
16 r (searc) s
(hes) s
15 r (for) s
15 r 99 c
(hanges) s
15 r (in) s
16 r (SUID) s
16 r (\014le) s
16 r (status) s
15 r (on) s
16 r 97 c
16 r (sys-) s
338 1303 p (tem.) s
23 r (It) s
16 r (needs) s
16 r (to) s
16 r 98 c
1 r 101 c
16 r (run) s
16 r (as) s
17 r (user) s
16 r (ro) s
1 r (ot) s
16 r (for) s
16 r 98 c
1 r (est) s
16 r (results.) s
23 r (This) s
16 r (is) s
17 r 98 c
1 r (ecause) s
338 1360 p (it) s
13 r (needs) s
14 r (to) s
13 r (\014nd) s
13 r (all) s
14 r (SUID) s
13 r (\014les) s
14 r (on) s
13 r (the) s
13 r (mac) s
(hine,) s
13 r (including) s
13 r (those) s
14 r (that) s
13 r (are) s
338 1416 p (in) s
13 r (directories) s
13 r (that) s
13 r (are) s
13 r (not) s
13 r (generally) s
13 r (accessible.) s
19 r (It) s
13 r (uses) s
13 r (its) s
13 r (previous) s
13 r (run) s
338 1473 p (as) s
15 r 97 c
15 r (reference) s
15 r (for) s
15 r (detecting) s
16 r (new,) s
15 r (deleted,) s
15 r (or) s
15 r 99 c
(hanged) s
14 r (SUID) s
15 r (\014les.) s
(cmbx10.329) @sf
247 1567 p (kuang) s
(cmr10.329) @sf
12 r (The) s
11 r (U-Kuang) s
12 r (exp) s
1 r (ert) s
12 r (system,) s
12 r (originally) s
12 r (written) s
12 r 98 c
-1 r 121 c
11 r (Rob) s
1 r (ert) s
12 r (W.) s
12 r (Bald-) s
338 1623 p (win) s
18 r (of) s
19 r (MIT.) s
18 r (This) s
19 r (program) s
18 r 99 c
(hec) s
-1 r (ks) s
17 r (to) s
19 r (see) s
18 r (if) s
19 r 97 c
18 r (giv) s
(en) s
17 r (user) s
19 r (\(b) s
121 c
17 r (default,) s
338 1679 p (ro) s
1 r (ot\)) s
15 r (is) s
15 r (compromisable,) s
16 r (giv) s
-1 r (en) s
14 r (that) s
16 r (certain) s
15 r (rules) s
15 r (are) s
15 r (true.) s
295 1786 p (It) s
12 r (is) s
12 r (imp) s
1 r (ortan) s
116 c
11 r (to) s
12 r (note) s
12 r (once) s
12 r (again) s
12 r (that) s
(cmcsc10.329) @sf
11 r (Cops) s
(cmr10.329) @sf
12 r (do) s
2 r (es) s
12 r (not) s
12 r (attempt) s
12 r (to) s
12 r (correct) s
224 1842 p (an) s
121 c
14 r 112 c
2 r (oten) s
-1 r (tial) s
15 r (securit) s
121 c
14 r (hazards) s
16 r (that) s
15 r (it) s
15 r (\014nds,) s
16 r (but) s
16 r (rather) s
15 r (rep) s
1 r (orts) s
16 r (them) s
15 r (to) s
16 r (the) s
224 1899 p (administrator.) s
27 r (The) s
18 r (rationale) s
17 r (for) s
17 r (this) s
18 r (is) s
17 r (that) s
18 r (is) s
17 r (that) s
17 r (ev) s
(en) s
16 r (though) s
18 r 116 c
119 c
-2 r 111 c
17 r (sites) s
224 1955 p (ma) s
121 c
17 r (ha) s
-1 r 118 c
-1 r 101 c
17 r (the) s
18 r (same) s
17 r (underlying) s
18 r (hardw) s
(are) s
17 r (and) s
17 r 118 c
(ersion) s
17 r (of) s
(cmcsc10.329) @sf
18 r (Unix) s
(cmr10.329) @sf
44 c
18 r (it) s
18 r (do) s
1 r (es) s
18 r (not) s
224 2012 p (mean) s
23 r (that) s
23 r (the) s
22 r (administrators) s
23 r (of) s
23 r (those) s
22 r (sites) s
23 r (will) s
23 r (ha) s
118 c
-2 r 101 c
22 r (the) s
23 r (same) s
22 r (securit) s
121 c
224 2068 p (concerns.) s
20 r (What) s
13 r (is) s
13 r (standard) s
13 r 112 c
1 r (olicy) s
13 r (at) s
13 r (one) s
13 r (site) s
13 r (ma) s
121 c
12 r 98 c
1 r 101 c
13 r (an) s
13 r (un) s
(think) s
-3 r (able) s
12 r (risk) s
13 r (at) s
224 2124 p (another,) s
13 r (dep) s
1 r (ending) s
12 r (up) s
1 r (on) s
12 r (the) s
12 r (nature) s
12 r (of) s
11 r (the) s
12 r 119 c
(ork) s
11 r 98 c
1 r (eing) s
12 r (done,) s
12 r (the) s
12 r (information) s
224 2181 p (stored) s
14 r (on) s
14 r (the) s
13 r (computer,) s
14 r (and) s
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14 r (users) s
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14 r (system.) s
19 r (It) s
14 r (also) s
14 r (means) s
14 r (that) s
13 r (the) s
(cmcsc10.329) @sf
224 2237 p (Cops) s
(cmr10.329) @sf
20 r (system) s
19 r (do) s
2 r (es) s
19 r (not) s
20 r (need) s
19 r (to) s
20 r 98 c
1 r 101 c
20 r (run) s
20 r (as) s
19 r 97 c
20 r (privileged) s
19 r (user,) s
21 r (and) s
20 r (it) s
19 r (is) s
20 r (less) s
224 2294 p (lik) s
(ely) s
14 r (to) s
15 r 98 c
1 r 101 c
16 r 98 c
1 r 111 c
1 r (ob) s
(y-trapp) s
(ed) s
15 r 98 c
121 c
14 r 97 c
15 r 118 c
-1 r (andal.) s
960 2577 p 55 c
@eop
6 @bop0
(cmss10.329) @sf
[<07803E0007C03E0007C07E000EC077000EC077000EE077001EE0E7801E60E7801E60E7801C70E3803C71E3C03C71C3C03C31
  C3C07839C1E0783BC1E0783B81E0781B81E0F01F80F0F01F80F0F01F00F0> 32 20 -1 0 31.060] 119 @dc
[<E0606030301878787878> 8 10 -3 6 12.626] 44 @dc
[<07C7800FF7801FFF803E1F80780F80780780F00780F00780F00780F00780F00780F00780F00780F807807807807C07803E1F
  801FFF800FF78007C780000780000780000780000780000780000780000780000780000780000780000780000780> 24 32 -2 0 23.484] 100 @dc
(cmbx10.329) @sf
[<3FF9FFC03FF9FFC007C03E0007C03E0007C03E0007C03E0007C03E0007C03E0007C03E0007C03E0007C03E0007C03E0007C0
  3E0007C03E0007C03E0007C03E0007C03E0007C03E00FFFFFE00FFFFFE0007C1FE0007C0000007C0000007C0000007C03800
  07C07C0007C07C0003E07C0001E07C0000F81C00007FF800000FE000> 32 32 0 0 29.040] 12 @dc
[<FFE0FFE01F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F00
  1F001F001F001F001F00FF00FF00> 16 32 -2 0 14.520] 108 @dc
[<FFE000FFE0001F00001F00001F00001F00001F00001F00001F00001F1F801F7FE01FC1F81F80FC1F007C1F007E1F003E1F00
  3F1F003F1F003F1F003F1F003F1F003F1F003E1F007E1F007E1F80FC1FE1F8FF7FF0FF1FC0> 24 29 -2 9 29.040] 112 @dc
[<0030018000007803C000007803C000007803C00000FC07E00000FC07E00001F60FB00001F60F300001F60F300003E31E1800
  03E31E180007C1BE0C0007C1BC0C0007C1BC0C000F80F806000F80F806001F00F803001F00F00300FFE7FE1FE0FFE7FE1FE0> 40 20 -1 0 37.751] 119 @dc
(cmss10.329) @sf
[<7C00007E00007F000007800003800001C00001C00001C00000E00000E00001F00001F00003B00003B80003B800073800073C
  000F1C000F1C000E1E001E1E001E0F003C0F003C0F007C0780780780780780F003C0F003C0> 24 29 -1 9 20.959] 121 @dc
[<F00000F00000F00000F00000F00000F00000F00000F00000F00000F1E000F7F800FFFC00FC3E00F81F00F00F00F00F00F007
  80F00780F00780F00780F00780F00780F00F80F00F00F81F00FC3E00FFFE00F7FC00F1F000> 24 29 -3 9 23.484] 112 @dc
[<FFC0FFC0FFC0> 16 3 -1 -9 15.151] 45 @dc
(cmr10.329) @sf
[<7FFFFFE0FFFFFFF00000000000000000000000000000000000000000000000000000000000000000FFFFFFF07FFFFFE0> 32 12 -3 -5 35.353] 61 @dc
(cmti10.329) @sf
[<030000030000030000010000010000E18700718E001C9C0006B00001E00001E0000358000E4E001C63803861C00020000020
  00003000003000003000> 24 20 -8 -14 23.232] 42 @dc
6 @bop1
(cmr10.329) @sf
224 307 p (common) s
21 r (commands) s
21 r 40 c
(cmss10.329) @sf
97 c
(wk,) s
21 r (sed) s
(cmr10.329) @sf
44 c
22 r (etc.\),) s
23 r (and) s
21 r (when) s
21 r (necessary) s
-3 r 44 c
21 r (small,) s
23 r (hea) s
-1 r (vily-) s
224 364 p (commen) s
(ted) s
14 r 67 c
15 r (programs.) s
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224 483 p (2.2) s
56 r (Structure) s
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224 569 p (Cops) s
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14 r (is) s
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118 c
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121 c
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46 c
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224 1134 p (not) s
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118 c
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15 r (Cops) s
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58 c
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247 1450 p (dir.c) s
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12 r 99 c
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(ely\)) s
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14 r 97 c
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14 r (are) s
15 r (not) s
338 1563 p 119 c
(orld-writable.) s
17 r 84 c
(ypically) s
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11 r (the) s
11 r (\014les) s
11 r 99 c
(hec) s
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-1 r (ed) s
10 r 119 c
(ould) s
10 r (include) s
(cmti10.329) @sf
11 r (/etc/p) s
-2 r (asswd,) s
338 1620 p (/.pr) s
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13 r (/etc/r) s
-1 r 99 c
(cmr10.329) @sf
44 c
12 r (and) s
12 r (other) s
12 r 107 c
(ey) s
11 r (\014les;) s
13 r (directories) s
12 r (migh) s
-1 r 116 c
12 r (include) s
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12 r (/,) s
14 r (/bin,) s
338 1676 p (/usr/adm,) s
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16 r 97 c
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16 r 118 c
(ersion,) s
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16 r (one) s
338 1991 p (is) s
15 r 97 c
118 c
-3 r (ailable) s
14 r (lo) s
2 r (cally) s
-3 r 46 c
(cmbx10.329) @sf
247 2081 p (group.c) s
-1 r (hk,) s
11 r (passwd.c) s
(hk) s
(cmr10.329) @sf
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10 r 116 c
119 c
-2 r 111 c
9 r (to) s
2 r (ols) s
10 r 99 c
-1 r (hec) s
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9 r (the) s
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(ord) s
9 r (\014le) s
10 r 40 c
(cmti10.329) @sf
(/etc/p) s
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338 2137 p (and) s
(cmss10.329) @sf
12 r (yppasswd) s
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12 r (applicable\)) s
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12 r 40 c
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-2 r (oup) s
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338 2194 p (group) s
(cmr10.329) @sf
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(ords,) s
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338 2307 p (with) s
15 r (uid=0,) s
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15 r (other) s
15 r (common) s
16 r (problems.) s
(cmbx10.329) @sf
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-1 r (hk,) s
12 r (rc.c) s
-1 r (hk) s
(cmr10.329) @sf
10 r (These) s
11 r (programs) s
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11 r (none) s
10 r (of) s
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11 r (\014les) s
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338 2452 p (that) s
19 r (are) s
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20 r 98 c
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(cmss10.329) @sf
19 r (cron) s
(cmr10.329) @sf
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19 r (referenced) s
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19 r (the) s
(cmti10.329) @sf
20 r (/etc/r) s
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(cmr10.329) @sf
19 r (\014les) s
19 r (are) s
960 2577 p 54 c
@eop
5 @bop0
[ 329 ] /cmsy10.329 @newfont
(cmsy10.329) @sf
[<03C00FF01FF83FFC7FFE7FFEFFFFFFFFFFFFFFFFFFFFFFFF7FFE7FFE3FFC1FF80FF003C0> 16 18 -3 -2 22.727] 15 @dc
5 @bop1
(cmr10.329) @sf
338 307 p (to) s
16 r (that) s
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16 r 97 c
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101 c
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121 c
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11 r 119 c
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338 570 p (ness,) s
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16 r (describ) s
2 r 101 c
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121 c
16 r (this) s
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16 r 97 c
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17 r (or) s
17 r (ho) s
-1 r 119 c
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17 r (it.) s
338 627 p (Suc) s
104 c
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16 r 98 c
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16 r (alternativ) s
101 c
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16 r (are) s
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338 683 p (em) s
98 c
(edded) s
20 r (in) s
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21 r (program.) s
35 r (Th) s
(us,) s
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107 c
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116 c
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338 740 p (the) s
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116 c
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119 c
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15 r (found.) s
(cmsy10.329) @sf
292 890 p 15 c
(cmcsc10.329) @sf
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121 c
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12 r (attac) s
107 c
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17 r (standalone) s
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17 r (the) s
(cmcsc10.329) @sf
18 r (Cops) s
(cmr10.329) @sf
18 r (system,) s
18 r 119 c
(ould) s
16 r (giv) s
101 c
16 r (them) s
18 r 97 c
(cmti10.329) @sf
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-2 r (ant) s
(cmr10.329) @sf
12 r (adv) s
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12 r (\014nding) s
13 r 97 c
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97 c
-1 r 121 c
11 r (to) s
12 r (break) s
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(to) s
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12 r 98 c
1 r (ey) s
(ond) s
338 1059 p (what) s
17 r (they) s
17 r (migh) s
116 c
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18 r (ha) s
-1 r 118 c
-1 r 101 c
17 r (in) s
17 r (their) s
17 r 112 c
1 r (ossession.) s
27 r (Th) s
(us,) s
17 r 97 c
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(ord) s
338 1116 p 99 c
(hec) s
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(as) s
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116 c
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16 r (library) s
338 1229 p (of) s
15 r (the) s
15 r (target) s
15 r (system.) s
(cmsy10.329) @sf
292 1323 p 15 c
(cmcsc10.329) @sf
23 r (Cops) s
(cmr10.329) @sf
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19 r (utilize.) s
30 r (By) s
18 r (creating) s
19 r (the) s
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1 r (ols) s
19 r (in) s
18 r (suc) s
104 c
17 r 97 c
19 r (manner,) s
338 1435 p (an) s
121 c
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17 r (can) s
18 r (read) s
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18 r (understand) s
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18 r (system.) s
27 r (Not) s
338 1492 p (only) s
16 r (do) s
1 r (es) s
17 r (this) s
16 r (mak) s
101 c
15 r (it) s
16 r (easier) s
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1 r (dify) s
16 r (the) s
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338 1548 p (needs,) s
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(ws) s
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121 c
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338 1605 p (the) s
15 r (absence) s
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121 c
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15 r (horse) s
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15 r 98 c
2 r (om) s
-1 r (b.) s
(cmsy10.329) @sf
292 1699 p 15 c
(cmr10.329) @sf
23 r (The) s
21 r (system) s
21 r (should) s
22 r (not) s
21 r (require) s
21 r 97 c
21 r (securit) s
121 c
20 r (clearance,) s
23 r (exp) s
1 r (ort) s
21 r (license,) s
338 1755 p (execution) s
15 r (of) s
16 r 97 c
16 r (soft) s
119 c
-2 r (are) s
15 r (license,) s
16 r (or) s
16 r (other) s
15 r (restriction) s
16 r (on) s
16 r (use.) s
21 r 70 c
-2 r (or) s
14 r (maxi-) s
338 1811 p 109 c
(um) s
15 r (e\013ectiv) s
(eness,) s
15 r (the) s
17 r (system) s
16 r (should) s
17 r 98 c
1 r 101 c
16 r (widely) s
17 r (circulated) s
16 r (and) s
17 r (freely) s
338 1868 p 97 c
118 c
-3 r (ailable.) s
22 r 65 c
116 c
15 r (the) s
16 r (same) s
16 r (time,) s
16 r (users) s
16 r (making) s
16 r (site-sp) s
1 r (eci\014c) s
16 r (enhancemen) s
(ts) s
338 1924 p (or) s
17 r (including) s
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1 r (de) s
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1 r (cal) s
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119 c
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18 r (not) s
17 r 98 c
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18 r (forced) s
338 1981 p (to) s
15 r (disclose) s
15 r (their) s
15 r 99 c
-1 r (hanges.) s
20 r (Th) s
-1 r (us,) s
(cmcsc10.329) @sf
14 r (Cops) s
(cmr10.329) @sf
15 r (is) s
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(yleft,") s
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19 r 98 c
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15 r 98 c
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(ond) s
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14 r 98 c
2 r (eing) s
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338 2150 p (mercial) s
15 r (pro) s
1 r (duct.) s
(cmsy10.329) @sf
292 2244 p 15 c
(cmcsc10.329) @sf
23 r (Cops) s
(cmr10.329) @sf
13 r (should) s
12 r 98 c
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12 r (written) s
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13 r 98 c
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1 r (ortable) s
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12 r (as) s
13 r (wide) s
13 r 97 c
12 r 118 c
-1 r (ariet) s
-1 r 121 c
11 r (of) s
(cmcsc10.329) @sf
13 r (Unix) s
(cmr10.329) @sf
338 2300 p (systems) s
15 r (as) s
15 r 112 c
1 r (ossible,) s
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15 r (no) s
15 r (mo) s
1 r (di\014cation.) s
295 2394 p (In) s
21 r (order) s
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22 r (maximize) s
21 r 112 c
2 r (ortabilit) s
-1 r 121 c
-4 r 44 c
22 r (\015exibilit) s
121 c
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22 r (and) s
22 r (readabilit) s
-1 r 121 c
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22 r (the) s
21 r (pro-) s
224 2451 p (grams) s
16 r (that) s
16 r (mak) s
101 c
14 r (up) s
(cmcsc10.329) @sf
16 r (Cops) s
(cmr10.329) @sf
16 r (are) s
16 r (written) s
16 r (as) s
16 r (simple) s
15 r (Bourne) s
16 r (shell) s
16 r (scripts) s
16 r (using) s
960 2577 p 53 c
@eop
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(cmbx10.432) @sf
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116 c
17 r 98 c
121 c
17 r (running) s
18 r (this) s
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1 r (ol) s
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224 364 p (no) s
18 r 119 c
(eak) s
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17 r (found.) s
28 r (The) s
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18 r (ma) s
121 c
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18 r (mak) s
101 c
17 r (an) s
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224 420 p (enhance) s
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121 c
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121 c
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(ords) s
14 r (or) s
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(ts.) s
295 589 p 70 c
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104 c
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116 c
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118 c
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121 c
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119 c
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224 815 p (emplo) s
121 c
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14 r 98 c
121 c
14 r (an) s
15 r (enem) s
121 c
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(cmbx10.432) @sf
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69 r (Design) s
23 r (and) s
23 r (Structure) s
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56 r (Design) s
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121 c
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121 c
12 r 97 c
14 r (soft) s
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121 c
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1 r (ol.) s
(cmcsc10.329) @sf
19 r (Cops) s
(cmr10.329) @sf
14 r (is) s
13 r (an) s
13 r (attempt) s
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14 r (address) s
13 r (as) s
13 r (man) s
121 c
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(tial) s
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121 c
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17 r (as) s
17 r 112 c
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(t,) s
16 r 112 c
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1 r 111 c
118 c
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224 1372 p (all,) s
15 r (in) s
16 r 97 c
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16 r 119 c
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20 r (The) s
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15 r (goal) s
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(cmcsc10.329) @sf
16 r (Cops) s
(cmr10.329) @sf
15 r (is) s
15 r (one) s
15 r (of) s
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224 1428 p (it) s
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(ticipate) s
13 r (and) s
14 r (eliminate) s
15 r (securit) s
121 c
13 r (problems) s
14 r 98 c
121 c
13 r (detecting) s
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224 1485 p (and) s
22 r (den) s
(ying) s
21 r (enemies) s
22 r (an) s
21 r (opp) s
2 r (ortunit) s
-1 r 121 c
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22 r (compromise) s
22 r (securit) s
121 c
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22 r (the) s
22 r (\014rst) s
224 1541 p (place.) s
295 1598 p (The) s
15 r 112 c
1 r (oten) s
(tial) s
14 r (securit) s
121 c
14 r (hazards) s
15 r (that) s
(cmcsc10.329) @sf
16 r (Cops) s
(cmr10.329) @sf
15 r 99 c
(hec) s
-2 r (ks) s
15 r (for) s
15 r 119 c
(ere) s
14 r (selected) s
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224 1654 p (readings) s
13 r (of) s
13 r 97 c
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121 c
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13 r 98 c
2 r 111 c
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224 1711 p (at) s
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(terviews) s
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224 1767 p (trators,) s
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1 r (orts) s
15 r (of) s
15 r (actual) s
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15 r (breakins.) s
295 1823 p 87 c
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13 r (applied) s
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(wing) s
13 r (imp) s
1 r (ortan) s
116 c
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14 r (principles) s
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14 r (design) s
14 r (and) s
224 1880 p (dev) s
(elopmen) s
-1 r 116 c
14 r (of) s
(cmcsc10.329) @sf
15 r (Cops) s
(cmr10.329) @sf
58 c
(cmsy10.329) @sf
292 1966 p 15 c
(cmcsc10.329) @sf
23 r (Cops) s
(cmr10.329) @sf
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2 r 101 c
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15 r (that) s
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338 2023 p (existing) s
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22 r (meet) s
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21 r (securit) s
121 c
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338 2079 p (on) s
17 r (whic) s
-1 r 104 c
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(cmcsc10.329) @sf
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(cmr10.329) @sf
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17 r (dynamic,) s
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17 r 109 c
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(cmcsc10.329) @sf
13 r (Cops) s
(cmr10.329) @sf
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13 r (them) s
338 2192 p 98 c
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15 r (apparen) s
(t.) s
(cmsy10.329) @sf
292 2283 p 15 c
(cmcsc10.329) @sf
23 r (Cops) s
(cmr10.329) @sf
11 r (should) s
10 r (con) s
(tain) s
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10 r (\014x) s
11 r (an) s
121 c
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121 c
9 r (problems) s
338 2340 p (that) s
22 r (are) s
21 r (disco) s
118 c
-1 r (ered.) s
39 r (Because) s
(cmcsc10.329) @sf
21 r (Cops) s
(cmr10.329) @sf
22 r (mak) s
(es) s
21 r (no) s
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2 r (di\014cations) s
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22 r (the) s
338 2396 p (system,) s
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121 c
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960 2577 p 52 c
@eop
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(cmr10.329) @sf
224 307 p (that) s
21 r (guides) s
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21 r (of) s
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121 c
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224 364 p (their) s
19 r (en) s
(vironmen) s
-2 r (t.) s
30 r (Suc) s
104 c
17 r 97 c
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19 r 98 c
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19 r (con\014gurable) s
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(vides) s
224 420 p (the) s
16 r (appropriate) s
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(ed) s
14 r (need) s
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121 c
224 477 p (in) s
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(vironmen) s
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14 r 98 c
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101 c
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121 c
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116 c
9 r 97 c
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224 759 p (administrator.) s
20 r 70 c
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224 815 p (in) s
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13 r 97 c
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107 c
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116 c
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101 c
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16 r 99 c
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224 1154 p (suc) s
104 c
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1 r (ose) s
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121 c
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(ws) s
13 r (made) s
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116 c
13 r 98 c
121 c
13 r (those) s
224 1210 p 99 c
(hanges;) s
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13 r (securit) s
121 c
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14 r 98 c
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13 r 98 c
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119 c
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295 1323 p 65 c
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116 c
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224 1436 p 98 c
121 c
17 r (an) s
17 r (attac) s
107 c
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27 r (Suc) s
104 c
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18 r (migh) s
116 c
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18 r 97 c
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224 1606 p (user) s
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(ords.) s
27 r 80 c
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104 c
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(ord) s
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224 1662 p (\015agged) s
15 r (as) s
15 r 119 c
(eak) s
14 r (passw) s
(ords.) s
295 1719 p (Suc) s
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20 r 119 c
-1 r (ould) s
19 r (enable) s
19 r 97 c
19 r (system) s
20 r (administrator) s
19 r (to) s
19 r (notify) s
20 r (users) s
19 r (with) s
224 1775 p 119 c
(eak) s
17 r (passw) s
(ords) s
17 r (that) s
18 r (they) s
18 r (should) s
19 r 99 c
-1 r (ho) s
1 r (ose) s
18 r 97 c
18 r (passw) s
(ord) s
17 r (that) s
18 r (is) s
18 r (more) s
19 r (di\016cult) s
224 1831 p (for) s
15 r (an) s
15 r (attac) s
107 c
-1 r (er) s
14 r (to) s
15 r (guess.) s
20 r (Ho) s
119 c
-1 r (ev) s
-1 r (er,) s
14 r (suc) s
104 c
14 r 97 c
15 r (to) s
1 r (ol) s
15 r (is) s
15 r 97 c
16 r (danger) s
15 r (to) s
15 r (the) s
15 r 118 c
(ery) s
14 r (same) s
224 1888 p (system) s
15 r (it) s
15 r (is) s
15 r (designed) s
15 r (to) s
16 r (protect) s
15 r (should) s
15 r (it) s
15 r (fall) s
15 r (in) s
(to) s
14 r (the) s
15 r (hands) s
15 r (of) s
15 r (an) s
15 r (attac) s
107 c
-2 r (er:) s
224 1944 p (the) s
17 r (to) s
1 r (ol) s
17 r (could) s
17 r 98 c
1 r 101 c
17 r (used) s
17 r (to) s
16 r 118 c
(ery) s
16 r (rapidly) s
17 r (searc) s
-1 r 104 c
16 r (through) s
17 r (the) s
17 r (dictionary) s
16 r (in) s
17 r (an) s
224 2001 p (attempt) s
15 r (to) s
15 r (\014nd) s
16 r 97 c
15 r (passw) s
-1 r (ord) s
15 r (that) s
15 r (could) s
15 r 98 c
1 r 101 c
15 r (compromised.) s
295 2057 p 65 c
19 r (second) s
19 r 112 c
2 r (oten) s
-1 r (tial) s
19 r (danger) s
19 r (is) s
19 r (that) s
19 r (an) s
20 r (attac) s
-1 r 107 c
-1 r (er) s
19 r (with) s
19 r (su\016cien) s
116 c
18 r (privilege) s
224 2114 p (migh) s
116 c
10 r (alter) s
12 r (the) s
11 r (encryption) s
11 r (algorithm) s
11 r (or) s
12 r (the) s
11 r (in) s
(ternal) s
10 r 119 c
(orkings) s
10 r (of) s
11 r (the) s
12 r (program) s
224 2170 p (suc) s
104 c
15 r (that) s
15 r (it) s
16 r 119 c
-1 r (ould) s
15 r (app) s
1 r (ear) s
16 r (to) s
16 r (run) s
15 r (correctly) s
-3 r 44 c
15 r (but) s
16 r 119 c
-1 r (ould) s
15 r (fail) s
16 r (to) s
15 r (matc) s
104 c
15 r (certain) s
224 2227 p (passw) s
(ords) s
16 r (or) s
17 r (certain) s
17 r (accoun) s
(ts.) s
25 r (This) s
17 r 119 c
(ould) s
16 r (allo) s
119 c
16 r 97 c
17 r (determined) s
18 r (attac) s
-1 r 107 c
-1 r (er) s
16 r (to) s
224 2283 p (plan) s
116 c
13 r (an) s
13 r (accoun) s
116 c
13 r (with) s
13 r 97 c
14 r (kno) s
(wn) s
12 r (simple) s
14 r (passw) s
(ord) s
12 r (that) s
14 r 119 c
(ould) s
12 r (not) s
14 r 98 c
1 r 101 c
14 r (detected) s
224 2340 p 98 c
121 c
13 r (the) s
13 r (program.) s
20 r (Alternativ) s
(ely) s
-4 r 44 c
13 r (an) s
13 r (attac) s
107 c
-1 r (er) s
12 r (migh) s
116 c
13 r (mo) s
1 r (dify) s
14 r (suc) s
-1 r 104 c
13 r 97 c
14 r (program) s
13 r (to) s
224 2396 p (send) s
15 r (its) s
15 r (output) s
16 r (to) s
15 r (not) s
15 r (only) s
15 r (the) s
15 r (administrator,) s
15 r (but) s
16 r (to) s
15 r (the) s
15 r (attac) s
107 c
-2 r (er) s
14 r (as) s
16 r 119 c
-1 r (ell.) s
295 2452 p (The) s
16 r (third) s
17 r (problem) s
17 r (is) s
17 r (that) s
16 r (the) s
17 r (system) s
17 r (administrator) s
16 r (ma) s
121 c
16 r (gro) s
119 c
15 r (compla-) s
960 2577 p 51 c
@eop
2 @bop0
[ 300 ] /cmr10.300 @newfont
(cmr10.300) @sf
[<FFC01C001C001C001C001C001C001C001C001C001C001C001C001C301E781E781D30FCE0> 16 18 -1 0 16.258] 114 @dc
[<03E00C181804300270026000E000E000E000E000FFFEE0066006700E300C18180C3003E0> 16 18 -1 0 18.449] 101 @dc
[<07C00C301808300470046000E000E000E000E000E000E00060007030307818780C3007E0> 16 18 -2 0 18.449] 99 @dc
[<03F0000E1C00180600300300700380600180E001C0E001C0E001C0E001C0E001C0E001C06001807003803003001806000E1C
  0003F000> 24 18 -1 0 20.755] 111 @dc
[<FF9FF01C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801E03801D03001C87
  00FC7C00> 24 18 -1 0 23.061] 110 @dc
[<7F87F80E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01
  C0FFFFC00E00000E00000E00000E00000E00000E01800E03C00703C003018001C180007E00> 24 29 0 0 23.061] 12 @dc
[<07F8001C0E00300300600180C000C0C000C0C000C06001C03003801FFF801FFF001FF80018000030000010000013C0000C30
  001C3800181800381C00381C00381C00381C001818001C38800C38C003C4C0000380> 24 28 -1 9 20.755] 103 @dc
[<03E3F00E1B800C07801C07801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03
  80FC1F80> 24 18 -1 0 23.061] 117 @dc
[<1F8700304E80603C40E01C40E01C40E01C40601C00701C00381C000F1C0001FC00001C00001C00301C00781C007838003070
  001FC000> 24 18 -2 0 20.755] 97 @dc
[<10F8001906001E03001C01801C01C01C00C01C00E01C00E01C00E01C00E01C00E01C00E01C00C01C01C01C01801E03001D86
  001C7C001C00001C00001C00001C00001C00001C00001C00001C00001C00001C0000FC0000> 24 29 -1 0 23.061] 98 @dc
[<FF801C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C00
  1C001C001C00FC00> 16 29 -1 0 11.531] 108 @dc
[<8FC0D060E010C018C0188018803800F80FF03FE07F80F800E010C010C010403030701F90> 16 18 -1 0 16.373] 115 @dc
[<03C00E200C101C101C101C101C101C101C001C001C001C001C001C001C001C001C00FFE03C001C000C000C00040004000400
  0400> 16 26 -1 0 16.143] 116 @dc
[<7FE00E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E00FFE00E000E000E000E000E000E000E0C
  061E071E018C00F8> 16 29 0 0 12.684] 102 @dc
[<FF80001C00001C00001C00001C00001C00001C00001C00001CF8001D06001E03001C01801C01C01C01C01C00E01C00E01C00
  E01C00E01C00E01C00E01C00C01C01C01C01801E03001D8600FC7C00> 24 26 -1 8 23.061] 112 @dc
[<FF8FF8FF801C01C01C001C01C01C001C01C01C001C01C01C001C01C01C001C01C01C001C01C01C001C01C01C001C01C01C00
  1C01C01C001C01C01C001C01C01C001C01C01C001E01E01C001D019018001C83883800FC7E07E000> 40 18 -1 0 34.592] 109 @dc
[<07C7E00C3700180F00300700700700600700E00700E00700E00700E00700E00700E00700600700700700300700180F000C17
  0003E700000700000700000700000700000700000700000700000700000700000700003F00> 24 29 -2 0 23.061] 100 @dc
[<FF9FF01C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801C03801E03801D03001C87
  001C7C001C00001C00001C00001C00001C00001C00001C00001C00001C00001C0000FC0000> 24 29 -1 0 23.061] 104 @dc
[<FF801C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C00FC000000000000000000000000000000
  18003C003C001800> 16 29 -1 0 11.531] 105 @dc
[<3C0000660000F30000F10000F0800000800000800000400000400000E00000E00000E00001D00001D00003D8000388000388
  000704000704000704000E02000E02001C01001C01003C0380FF07E0> 24 26 -1 8 21.908] 121 @dc
[<FFE0FFE0> 16 2 0 -8 13.837] 45 @dc
[<FF9FE01C0F801C0F001C0E001C1C001C3C001C38001C78001E70001DE0001CE0001C40001C20001C10001C08001C0C001C0F
  001C3FC01C00001C00001C00001C00001C00001C00001C00001C00001C00001C0000FC0000> 24 29 -1 0 21.908] 107 @dc
[<60F0F060> 8 4 -4 0 11.531] 46 @dc
[<03FFFC00001F8000000F0000000F0000000F0000000F0000000F0000000F0000000F0000000F0000000F0000000F0000000F
  0000000F0000000F0000000F0000000F0000000F0000000F0000800F0020800F0020800F0020C00F0020400F0040400F0040
  600F00C0700F01C07FFFFFC0> 32 28 -1 0 29.979] 84 @dc
[<7FCFF80E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01C00E01
  C0FFFFC00E01C00E01C00E01C00E01C00E01C00E01C00E01C00703C00303C001C1C0007FC0> 24 29 0 0 23.061] 13 @dc
[<FFF00F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F00
  0F000F00FFF0> 16 28 -1 0 14.990] 73 @dc
[<804020201010101070F0F060> 8 12 -4 8 11.531] 44 @dc
[<00400000E00000E00000E00001D00001D00003D8000388000388000704000704000704000E02000E02001C01001C01003C03
  80FF07E0> 24 18 -1 0 21.908] 118 @dc
[<FF0FF81E07C0040380060700020E00010E00009C0000F80000780000700000F00001D80001C8000384000702000F03000F03
  807F8FF0> 24 18 0 0 21.908] 120 @dc
[<001800180000180018000018001800003C003C00003C003C00003C003C00003E007C00007A007A00007A007A00007900FA00
  00F100F10000F100F10000F100F10001E081E08001E081E08001E081E08003E043C04003C043C04003C043C04003C0278040
  0780278020078027802007801F00200F001F00100F001F00100F001F00101E001E00181F001F003CFFE0FFE0FF> 40 29 -1 1 42.663] 87 @dc
[<008020000180300001C0700001C0700003C0680003A0E80003A0E8000720C4000711C4000711C4000E1182000E0B82000E0B
  82001C0B01001C0701001C0701803C0F0380FF3FCFE0> 32 18 -1 0 29.979] 119 @dc
[ 300 ] /cmcsc10.300 @newfont
(cmcsc10.300) @sf
[<000FE0000070180001C0060003000100060000800E0000401C00004038000020380000207800002070000020F0000000F000
  0000F0000000F0000000F0000000F0000000F0000000F0000000700000207800002038000020380000601C0000600E0000E0
  060001E0030003E001C0046000701860000FE020> 32 30 -3 1 32.631] 67 @dc
[<01F800070E001E07801C03803801C07801E07000E0F000F0F000F0F000F0F000F0F000F0F000F0F000F07000E07801E03801
  C01C03800C0300070E0001F800> 24 21 -2 0 26.382] 111 @dc
[<FF80001C00001C00001C00001C00001C00001C00001C00001C00001C00001FFC001C0F001C03801C03C01C03C01C03C01C03
  C01C03C01C03801C0F00FFFC00> 24 21 -1 0 23.153] 112 @dc
[<8FC0F060C03080108018801800180038007803F01FE03FC07E00E000C000C010C010C030603030F01F10> 16 21 -2 0 19.002] 115 @dc
(cmbx10.432) @sf
[<7FFFFE7FFFFE7FFFFE00FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE
  0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE00F8FE00FF
  FE00FFFE0007FE00007E00001E00000E00> 24 39 -5 0 34.370] 49 @dc
[<FFFFFCFFFFFCFFFFFC01FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE
  0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001
  FE0001FE0001FE0001FE0001FE00FFFFFCFFFFFCFFFFFC> 24 41 -2 0 26.068] 73 @dc
(cmr8.300) @sf
[<7FF007000700070007000700070007000700070007000700070007000700070007000700FF0007000300> 16 21 -2 0 17.642] 49 @dc
(cmr6.300) @sf
[<FF800C000C000C000C000C000C000C000C000C000C000C000C00CC003C000C00> 16 16 -2 0 15.220] 49 @dc
[ 270 ] /cmcsc10.270 @newfont
(cmcsc10.270) @sf
[<003E0000C1800180400300400700200600200E00100E00100E00100E00100E00100E00100E00100E00100E00100E00100E00
  100E00100E00100E00100E00100E00100E00100E00100E0038FFE1FF> 24 26 -3 0 30.406] 85 @dc
[<FE00203800601000E01001E01001E01003A0100720100E20101E20103C2010382010702010E02011C02013C0201780201700
  201E0070FC01FC> 24 19 0 0 22.913] 110 @dc
[<FF801C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C00FF80> 16 19 -1 0 11.291] 105 @dc
[<FE0FF03807C00807800C0700040E00021E00011C0001B80000F80000700000E00001E00003D000038800070C000F04000E02
  001E0780FF0FE0> 24 19 -1 0 22.913] 120 @dc
(cmr9.300) @sf
[<FF3FC01C1F001C1E001C1C001C38001C78001C70001CE0001FE0001DC0001C40001C20001C10001C18001C1E001C3F801C00
  001C00001C00001C00001C00001C00001C00001C00001C0000FC0000> 24 26 -1 0 20.265] 107 @dc
[<03FFE000001C0000001C0000001C0000001C0000001C0000001C0000001C0000001C0000001C0000001C0000001C0000001C
  0000001C0000001C0000001C0000001C0000001C0000801C0080801C0080801C0080C01C0180401C0100401C0100701C0700
  7FFFFF00> 32 26 -1 0 27.731] 84 @dc
[<0F807C003873C300700F0100E00E0080E01E0080E0390000E0788000E0F0800060E0400031C0200013C020000B8010000780
  10000700080007001E0007807F800E4000000E4000000E2000000E1000000E1000000E1000000E1000000610000003200000
  01C00000> 32 26 -2 0 29.864] 38 @dc
2 @bop1
(cmr10.300) @sf
338 307 p (recon\014gurable) s
12 r (set) s
12 r (of) s
12 r (programs) s
12 r (and) s
12 r (shell) s
12 r (scripts) s
13 r (that) s
12 r (enable) s
12 r (system) s
12 r (ad-) s
338 357 p (ministrators) s
14 r (to) s
13 r 99 c
(hec) s
-1 r 107 c
13 r (for) s
14 r 112 c
1 r (ossible) s
14 r (securit) s
121 c
13 r (holes) s
13 r (in) s
14 r (their) s
14 r (systems.) s
400 407 p (This) s
17 r (pap) s
1 r (er) s
17 r (brie\015y) s
17 r (describ) s
1 r (es) s
17 r (the) s
17 r (system.) s
28 r (Included) s
18 r (are) s
17 r (the) s
17 r (under-) s
338 457 p (lying) s
20 r (design) s
20 r (goals,) s
22 r (the) s
20 r (functions) s
20 r (pro) s
(vided) s
19 r 98 c
-1 r 121 c
20 r (the) s
20 r (to) s
1 r (ol,) s
21 r 112 c
2 r (ossible) s
20 r (ex-) s
338 506 p (tensions,) s
17 r (and) s
16 r (some) s
17 r (exp) s
1 r (eriences) s
17 r (gained) s
16 r (from) s
17 r (its) s
16 r (use.) s
27 r 87 c
-3 r 101 c
16 r (also) s
16 r (include) s
338 556 p (information) s
14 r (on) s
13 r (ho) s
119 c
13 r (to) s
14 r (obtain) s
14 r 97 c
14 r (cop) s
121 c
12 r (of) s
14 r (the) s
14 r (initial) s
(cmcsc10.300) @sf
14 r (Cops) s
(cmr10.300) @sf
14 r (release.) s
(cmbx10.432) @sf
224 699 p 49 c
69 r (In) s
-1 r (tro) s
1 r (duction) s
(cmr10.329) @sf
224 801 p (The) s
16 r (task) s
15 r (of) s
15 r (making) s
16 r 97 c
15 r (computer) s
16 r (system) s
15 r (secure) s
15 r (is) s
16 r 97 c
15 r (di\016cult) s
16 r (one.) s
21 r 84 c
-3 r 111 c
14 r (mak) s
101 c
15 r 97 c
224 857 p (system) s
15 r (secure) s
16 r (means) s
15 r (to) s
15 r (protect) s
15 r (the) s
16 r (information) s
15 r (from) s
15 r (disclosure;) s
15 r (protecting) s
224 914 p (it) s
13 r (from) s
13 r (alteration;) s
14 r (prev) s
(en) s
-2 r (ting) s
12 r (others) s
13 r (from) s
13 r (den) s
(ying) s
12 r (access) s
13 r (to) s
13 r (the) s
13 r (mac) s
(hine,) s
12 r (its) s
224 970 p (services,) s
18 r (and) s
18 r (its) s
18 r (data;) s
18 r (prev) s
(en) s
-1 r (ting) s
16 r (degradation) s
18 r (of) s
18 r (services) s
17 r (that) s
18 r (are) s
17 r (presen) s
(t;) s
224 1027 p (protecting) s
18 r (against) s
18 r (unauthorized) s
19 r 99 c
-1 r (hanges;) s
19 r (and) s
18 r (protecting) s
18 r (against) s
18 r (unautho-) s
224 1083 p (rized) s
15 r (access.) s
295 1140 p 84 c
-3 r 111 c
18 r (ac) s
(hiev) s
-1 r 101 c
18 r (all) s
19 r (these) s
19 r (securit) s
121 c
18 r (goals) s
19 r (in) s
20 r (an) s
19 r (actual,) s
20 r (dynamic) s
19 r (en) s
(vironmen) s
-1 r 116 c
224 1196 p (suc) s
104 c
16 r (as) s
17 r (that) s
17 r (presen) s
(ted) s
16 r 98 c
121 c
16 r (most) s
(cmcsc10.329) @sf
17 r (Unix) s
(cmr8.300) @sf
994 1180 p 49 c
(cmr10.329) @sf
1031 1196 p (systems) s
17 r (can) s
17 r 98 c
2 r 101 c
17 r 97 c
17 r (ma) s
2 r (jor) s
17 r 99 c
(hallenge.) s
224 1253 p (Practical) s
16 r (concerns) s
16 r (for) s
16 r (\015exibilit) s
121 c
15 r (and) s
16 r (adaptabilit) s
121 c
15 r (render) s
16 r (most) s
17 r (formal) s
16 r (secu-) s
224 1309 p (rit) s
121 c
17 r (metho) s
1 r (ds) s
18 r (inapplicable,) s
19 r (and) s
18 r (the) s
18 r 118 c
-2 r (ariabilit) s
-1 r 121 c
17 r (of) s
18 r (system) s
18 r (con\014guration) s
18 r (and) s
224 1365 p (system) s
11 r (administrator) s
12 r (training) s
11 r (mak) s
101 c
10 r (\\co) s
1 r (okb) s
1 r 111 c
2 r (ok") s
11 r (metho) s
1 r (ds) s
12 r (to) s
1 r 111 c
11 r (limited.) s
19 r (Man) s
121 c
224 1422 p (necessary) s
15 r (securit) s
-1 r 121 c
14 r (administration) s
14 r (tasks) s
14 r (can) s
15 r 98 c
1 r 101 c
14 r (enhanced) s
15 r (through) s
14 r (the) s
14 r (use) s
15 r (of) s
224 1478 p (soft) s
119 c
-1 r (are) s
12 r (and) s
13 r (hardw) s
-1 r (are) s
12 r (mec) s
(hanisms) s
12 r (put) s
13 r (in) s
13 r (place) s
13 r (to) s
13 r (regulate) s
13 r (and) s
13 r (monitor) s
13 r (ac-) s
224 1535 p (cess) s
16 r 98 c
121 c
15 r (users) s
15 r (and) s
16 r (user) s
16 r (programs.) s
23 r (Those) s
15 r (same) s
16 r (mec) s
(hanisms) s
15 r (and) s
16 r (pro) s
1 r (cedures,) s
224 1591 p (ho) s
119 c
-1 r (ev) s
-2 r (er,) s
16 r (constrain) s
16 r (the) s
17 r (abilit) s
-1 r 121 c
16 r (of) s
16 r (users) s
16 r (to) s
16 r (share) s
17 r (information) s
16 r (and) s
16 r (to) s
17 r (co) s
1 r (op) s
1 r (er-) s
224 1648 p (ate) s
18 r (on) s
18 r (pro) s
2 r (jects.) s
28 r (As) s
18 r (suc) s
(h,) s
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(cmr12.300) @sf
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[<4020101008080404040474FCFCF870> 8 15 -4 10 13.548] 44 @dc
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[<70F8F8F870> 8 5 -4 0 13.548] 46 @dc
(cmsl12.300) @sf
[<FFFFFFE007C003E0078000F003C0003003C0001003C0001803C0000803C0000803C0000401E0000401E0000401E0080201E0
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[<7078F87830> 8 5 -4 0 13.548] 46 @dc
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[<07C3F81C33C0380F807003C07003C0E001C0E001C0E001C0E001C0F000E0F000E0F000E0F000E07000E07800E03800701C00
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(cmr12.300) @sf
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[<FFFFFE> 24 1 0 -12 24.387] 123 @dc
[ 300 ] /cmbx10.300 @newfont
(cmbx10.300) @sf
[<FFC07FFEFFC07FFE0C0007E00E000FE006000FC006000FC003001F8003001F8003FFFF8001FFFF0001803F0000C07E0000C0
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[<1C3F001EC1E01F80701F00781F003C1F003C1F003E1F003E1F003E1F003E1F003E1F003E1F003C1F003C1F00781F80701FE1
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[<CFC0F830E018E01CC01CC01C007C07FC1FF87FF07FE0FF80F000E018E018601830781FD8> 16 18 -2 0 18.829] 115 @dc
[<03F007980F081F0C1F0C1F0C1F0C1F001F001F001F001F001F001F001F001F00FFFC3FFC0F000F0007000700030003000300
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[<FFF000FFF0001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F07001E8F801E8F801E8F80FE47
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[<0FE1F83E13F8780BC0F807C0F807C0F807C07C07C03C07C01F07C007E7C0007FC00007C01C07C03E07C03E07803E0F801C1E
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[<03F8000E0E001C03003C0180780180780000F80000F80000F80000F80000F80000F80000780E00781F003C1F001C1F000E0E
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(cmcsc10.300) @sf
[<000F80000070600000E0180001C004000380040007800200070002000F0001000F0001000F0001000F0001000F0001000F00
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[<FE00403800C01000C01001C01003C01007C0100740100E40101C40101C4010384010704010704010E04011C04013C0401380
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[<FF801C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C001C00FF80> 16 21 -1 0 12.545] 105 @dc
[<FE07F83C03C00C03C0040380040700020F00010E00011C0000BC0000780000700000F00000F00001D00003C8000384000704
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(cmr10.300) @sf
[<83F800CC0C00D00200E00300C00180C001808001C08001C08001C00001C00003C00007C0000F8000FF8007FF001FFE003FF8
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[<FFFFC0000F0070000F001C000F000E000F0007000F0007800F0003800F0003C00F0001C00F0001C00F0001E00F0001E00F00
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[<004000800100020006000C000C0018001800300030007000600060006000E000E000E000E000E000E000E000E000E000E000
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[<800040002000100018000C000C000600060003000300038001800180018001C001C001C001C001C001C001C001C001C001C0
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[<60F0F0600000000000000000000060F0F060> 8 18 -4 0 11.531] 58 @dc
[<804020201010101070F0F0600000000000000000000060F0F060> 8 26 -4 8 11.531] 59 @dc
[<003FE000070000070000070000070000070000070000070007C7000C3700180F00300F00700700600700E00700E00700E007
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[<FFF87038700838083C0C1C040E040F040700038003C041C040E040F04070603870387FFC> 16 18 -1 0 18.449] 122 @dc
[<003F800000E0E0000380380007001C000E000E001C0007003C00078038000380780003C0780003C0700001C0F00001E0F000
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[<FFF0000F00000F00000F00000F00000F00000F00000F00000F00000F00000F00000F00000F00000FFF800F00E00F00780F00
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[ 300 ] /cmsy6.300 @newfont
(cmsy6.300) @sf
[<0C000C008C40EDC07F800C007F80EDC08C400C000C00> 16 11 -3 -1 15.912] 3 @dc
(cmr9.300) @sf
[<87E0D818E004C006C00280038003800300030007000E003E07FC1FF83FE07E007000E000C002C002C002C0066006200E1836
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[<003E0000C1800180400300400700200600200E00100E00100E00100E00100E00100E00100E00100E00100E00100E00100E00
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[<FC3FC0381E00181C0008380004380002700003E00001E00001C00003C0000760000720000E10001C18003C1C00FF3F80> 24 16 -1 0 20.265] 120 @dc
[<003F0001C0C00300300E00081C00081C0004380004780002700002700002F00000F00000F00000F00000F00000F000007000
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[<8040202010101070F0F060> 8 11 -3 7 10.666] 44 @dc
[<FFF007000700070007000700070007000700070007000700070007000700070007000700070007000700FF0007000300> 16 24 -3 0 19.198] 49 @dc
[<1F002180604070607030003800180018001C0F9C185C303C603C601CE01CE01CE01CE018E01860187030303018600780> 16 24 -2 0 19.198] 57 @dc
[<078018603030703860186018E01CE01CE01CE01CE01CE01CE01CE01CE01CE01CE01CE01C601860183030303018600780> 16 24 -2 0 19.198] 48 @dc
1 @bop1
(cmr17.300) @sf
449 489 p (The) s
(cmcsc10.518) @sf
22 r (Cops) s
(cmr17.300) @sf
22 r (Securit) s
-1 r 121 c
21 r (Chec) s
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20 r (System) s
(cmsy10.360) @sf
1493 463 p 3 c
(cmr12.300) @sf
439 604 p (Purdue) s
17 r (Univ) s
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15 r (Rep) s
1 r (ort) s
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(cmsl12.300) @sf
818 731 p (Daniel) s
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(cmr12.300) @sf
565 789 p (Computer) s
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(ersit) s
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15 r (15213-3890) s
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(cmsl12.300) @sf
764 1104 p (Eugene) s
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(cmr12.300) @sf
563 1162 p (Soft) s
119 c
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104 c
15 r (Cen) s
(ter) s
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16 r (of) s
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16 r (Sciences) s
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17 r (Univ) s
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(cmbx10.300) @sf
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(cmr10.300) @sf
400 1776 p (In) s
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(eral) s
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(um) s
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(orks) s
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121 c
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(cmcsc10.300) @sf
17 r (Unix) s
(cmr10.300) @sf
46 c
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(ords) s
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17 r (create) s
17 r 97 c
16 r (to) s
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17 r (to) s
17 r (detect) s
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2 r (oten) s
-1 r (tial) s
16 r (securit) s
121 c
16 r (problems) s
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104 c
14 r (to) s
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(cmcsc10.300) @sf
338 2324 p (Cops) s
(cmr10.300) @sf
46 c
17 r (\(Computerized) s
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9 r (and) s
9 r 80 c
(assw) s
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118 c
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224 2364 p 598 2 ru
(cmsy6.300) @sf
275 2391 p 3 c
(cmr9.300) @sf
304 2407 p (This) s
11 r (pap) s
2 r (er) s
11 r (originally) s
11 r (app) s
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11 r (in) s
11 r (the) s
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11 r (of) s
11 r (the) s
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11 r (Conference,) s
224 2452 p (1990,) s
13 r (Anaheim) s
13 r (CA.) s
(cmr10.329) @sf
960 2577 p 49 c
@eop
@end
DataMuseum.dk

DKUUG/EUUG Conference tapes

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