ipcrm(1) on OpenBSD
The text fa8dec532b46, as OpenBSD 3.2, OpenBSD 3.1, OpenBSD 3.0, OpenBSD 2.9 shipped it.
remove the specified message queues, semaphore sets, and shared memory segments
Flags it lists
-
-M -
-Q -
-S -
-m -
-q -
-s