delgroup(8) on Linux
The text bc5448ab5225, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
remove a user or group from the system
Flags it lists
-
--backup -
--backup-to -
--conf -
--group -
--help -
--quiet -
--remove-all-files -
--remove-home -
--system -
--version