addgroup(8) on Linux
The text 568b0b750589, as Debian 1.2 (Rex) shipped it.
add a user or group to the system
Flags it lists
-
--debug -
--force-badname -
--gecos -
--gid -
--group -
--help -
--home -
--ingroup -
--password -
--quiet -
--system -
--uid -
--version