GSHADOW(5) File Formats and Conversions GSHADOW(5)
gshadow - shadowed group file
/etc/gshadow contains the shadowed information for group accounts. It
contains lines with the following colon-separated fields:
o group name
o encrypted password
o comma-separated list of group administrators
o comma-separated list of group members
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 crypt(3) for details on how
this string is interpreted. If the password field contains some string
that is not valid result of crypt(3), for instance ! or *, the user
will not be able to use a unix password to log in, subject to pam(7).
This information supersedes any password present in /etc/group.
This file must not be readable by regular users if password security is
to be maintained.
Group account information.
Secure group account information.
group(5), gpasswd(5), newgrp(1).
File Formats and Conversions 11/14/2009 GSHADOW(5)