display group information
utility displays the name, group ID
(GID), and members of the specified group
The options are as follows:
- Do not display anything (quiet mode). This form of the
command is useful for scripts which need to check whether a particular
group name or GID is already in use on the system.
argument may be either a group name
or a GID.
utility exits 0 if
exists, and non-zero if it does not.
utility first appeared in
utility was written by
Alistair G. Crooks
If the specified group
is the primary group of
a user, but that user is not listed as a member of the
utility fails to list that user as a
member of the group