mkc_check_custom(1) on Linux
The text 1a5a9f0af01f, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
run user's custom checks.
Flags it lists
-
-b -
-d -
-e -
-h -
-m -
-n -
-p -
-r -
-s