NAME
group - user group file
DESCRIPTION
/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:
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
all the group member's user names, 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