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

NAME
       group - user group file
DESCRIPTION
       The  /etc/group file is a text file that defines the groups on the sys-
       tem.  There is one entry per line, with the following format:
              group_name:password:GID:user_list
       The fields are as follows:
       group_name  the name of the group.
       password    the (encrypted) group password.  If this field is empty, no
                   password is needed.
       GID         the numeric 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 3.53 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

Linux                             2010-10-21                          GROUP(5)