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ICL Comet 32

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⟦54b357116⟧ TextFile

    Length: 535 (0x217)
    Types: TextFile
    Notes: UNIX file
    Names: »sum.1«

Derivation

└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
    └─⟦28c352965⟧ »/a« UNIX Filesystem
        └─⟦this⟧ »usr/man/man1/sum.1«

TextFile

.ig
	@(#)sum.1	2.1	7/1/84
	@(#)Copyright (C) 1983 by National Semiconductor Corp.
..
.TH SUM 1
.SH NAME
sum \- sum and count blocks in a file
.SH SYNOPSIS
.B sum
file
.SH DESCRIPTION
.I Sum
calculates and prints a 16-bit checksum for the named file,
and also prints the number of blocks in the file.
It is typically used to look for bad spots, or
to validate a file communicated over
some transmission line.
.SH "SEE ALSO"
wc(1)
.SH DIAGNOSTICS
`Read error'
is indistinuishable from end of file on
most devices; check the block count.