58 lines
1.5 KiB
Groff
58 lines
1.5 KiB
Groff
.\" Title: gshadow
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.\" Author:
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.\" Generator: DocBook XSL Stylesheets v1.70.1 <http://docbook.sf.net/>
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.\" Date: 06/06/2006
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.\" Manual: File Formats and Conversions
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.\" Source: File Formats and Conversions
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.\"
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.TH "GSHADOW" "5" "06/06/2006" "File Formats and Conversions" "File Formats and Conversions"
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.SH "NAME"
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gshadow \- shadowed group file
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.SH "DESCRIPTION"
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.PP
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\fI/etc/gshadow\fR
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contains the shadowed information for group accounts. It contains lines with the following colon\-separated fields:
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.TP 3n
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\(bu
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group name
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.TP 3n
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\(bu
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encrypted password
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.TP 3n
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\(bu
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comma\-separated list of group administrators
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.TP 3n
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\(bu
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comma\-separated list of group members
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.sp
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.RE
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.PP
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The group name and password fields must be filled. The encrypted password consists of characters from the 64\-character alphabet a thru z, A thru Z, 0 thru 9, \\. and /. Refer to
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\fBcrypt\fR(3)
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for details on how this string is interpreted. If the password field contains some string that is not valid result of
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\fBcrypt\fR(3), for instance ! or *, the user will not be able to use a unix password to log in, subject to
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\fBpam\fR(7).
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.PP
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This information supersedes any password present in
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\fI/etc/group\fR.
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.PP
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This file must not be readable by regular users if password security is to be maintained.
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.SH "FILES"
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.TP 3n
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\fI/etc/group\fR
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Group account information.
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.TP 3n
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\fI/etc/gshadow\fR
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Secure group account information.
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.SH "SEE ALSO"
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.PP
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\fBgroup\fR(5),
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\fBgpasswd\fR(5),
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\fBnewgrp\fR(5).
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