rainbow-gc(8) on Linux
The text 7534493063b1, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Helper script which attempts to garbage-collect stale uid reservations
Flags it lists
-
--help -
--quiet -
--spool -
--verbose -
--version -
-h -
-q -
-s -
-v