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GROUP(5)                   Linux Programmer's Manual                  GROUP(5)



NAME
       group - user group file

DESCRIPTION
       /etc/group  is  a text file which defines the groups on the system.  There is one entry per line, with the fol-
       lowing format:

              group_name:passwd:GID:user_list

       The field descriptions are:

       group_name
              the name of the group.

       password
              the (encrypted) group password.  If this field is empty, no password is needed.

       GID    the numerical group ID.

       user_list
              a list of the usernames that are members of this group, separated by commas.

FILES
       /etc/group

BUGS
       As the 4.2BSD initgroups(3) man page says: No-one seems to keep /etc/group up-to-date.

SEE ALSO
       login(1), newgrp(1), getgrent(3), getgrnam(3), passwd(5)

COLOPHON
       This page is part of release 3.22 of the Linux man-pages project.  A description of the project,  and  informa-
       tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.



Linux                             2009-02-23                          GROUP(5)