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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)