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Length: 1059 (0x423)
Types: TextFile
Notes: UNIX file
Names: »passwd.1«
└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
└─⟦28c352965⟧ »/a« UNIX Filesystem
└─⟦this⟧ »usr/man/man1/passwd.1«
.ig @(#)passwd.1 2.1 7/1/84 @(#)Copyright (C) 1983 by National Semiconductor Corp. .. .TH PASSWD 1 .UC 4 .SH NAME passwd \- change login password .SH SYNOPSIS .B passwd [ name ] .SH DESCRIPTION This command changes (or installs) a password associated with the user .IR name (your own name by default). .PP The program prompts for the old password and then for the new one. The caller must supply both. The new password must be typed twice, to forestall mistakes. .PP New passwords must be at least four characters long if they use a sufficiently rich alphabet and at least six characters long if monocase. These rules are relaxed if you are insistent enough. .PP Only the owner of the name or the super-user may change a password; the owner must prove he knows the old password. .SH FILES /etc/passwd .SH "SEE ALSO" login(1), passwd(5), crypt(3) .br Robert Morris and Ken Thompson, .I UNIX password security .SH BUGS The password file information should be kept in a different data structure allowing indexed access; .IR dbm (3) would probably be suitable.