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

group - user group file

/etc/group is an ASCII file which defines the groups to which users belong. There is one entry per line, and each line has the format:

group_name:passwd:GID:user_list

The field descriptions are:

the name of the group.
the (encrypted) group password. If this field is empty, no password is needed.
the numerical group ID.
all the group member's usernames, separated by commas.

/etc/group

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

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

This page is part of release 3.08 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/.

1992-12-29 Linux

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