GROUP(5) Linux Programmer's Manual GROUP(5)NAMEgroup - 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 following format:
group_name:password: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, sepa‐
rated 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 ALSOlogin(1), newgrp(1), getgrent(3), getgrnam(3), passwd(5)COLOPHON
This page is part of release 3.27 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 2009-10-17 GROUP(5)