shadow/man/gshadow.5

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.TH "GSHADOW" 5 "" "" ""
.SH NAME
gshadow \- shadowed group file
.SH "DESCRIPTION"

.PP
\fI/etc/gshadow\fR contains the shadowed information for group accounts\&. It contains lines with the following colon\-separated fields:

.TP 3
\(bu
group name
.TP
\(bu
encrypted password
.TP
\(bu
comma\-separated list of group administrators
.TP
\(bu
comma\-separated list of group members
.LP

.PP
The group name and password fields must be filled\&. The encrypted password consists of 13 characters from the 64\-character alphabet a thru z, A thru Z, 0 thru 9, \\\&. and /\&. Refer to \fBcrypt\fR(3) for details on how this string is interpreted\&. If the password field contains some string that is not valid result of \fBcrypt\fR(3), for instance ! or *, the user will not be able to use a unix password to log in, subject to \fBpam\fR(7)\&.

.PP
This information supersedes any password present in \fI/etc/group\fR\&.

.PP
This file must not be readable by regular users if password security is to be maintained\&.

.SH "FILES"

.TP
\fI/etc/group\fR
group account information
.TP
\fI/etc/gshadow\fR
secure group account information
.SH "SEE ALSO"

.PP
\fBgroup\fR(5), \fBgpasswd\fR(5), \fBnewgrp\fR(5) 

.SH "AUTHOR"

.PP
Nicolas FRANCOIS