groupdel - delete a group definition from the system
The groupdel utility deletes a group definition from the system. It
deletes the appropriate entry from the /etc/group file.
An existing group name to be deleted.
The following exit values are returned:
Invalid command syntax. A usage message for the
groupdel command is displayed.
group does not exist.
Cannot update the /etc/group file.
system file containing group definitions
The groupdel utility only deletes a group definition that is in the local
/etc/group file. If a network nameservice is being used to supplement
the local /etc/group file with additional entries, groupdel
cannot change information supplied by the network nameservice.
groupdel fails if a group entry (a single line in
/etc/group) exceeds 2047 characters.