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

NAME         top

       group - user group file

DESCRIPTION         top

       The /etc/group file is a text file that defines the groups on the
       system.  There is one entry per line, with the following format:


       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         top


BUGS         top

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

SEE ALSO         top

       chgrp(1), gpasswd(1), groups(1), login(1), newgrp(1), sg(1),
       getgrent(3), getgrnam(3), gshadow(5), passwd(5), vigr(8)

COLOPHON         top

       This page is part of release 5.04 of the Linux man-pages project.  A
       description of the project, information about reporting bugs, and the
       latest version of this page, can be found at

Linux                            2018-04-30                         GROUP(5)

Pages that refer to this page: gpasswd(1)lslogins(1)newgrp(1)newgrp(1@@util-linux)sg(1)fgetgrent(3)getgrent(3)getgrent_r(3)getgrnam(3)getgrouplist(3)group_member(3)putgrent(3)gshadow(5)passwd(5)credentials(7)grpck(8)nscd(8)pwck(8)vigr(8)vigr(8@@util-linux)vipw(8)