lckdo(1) on Linux
The text ffac93f5e486, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
run a program with a lock held
Flags it lists
-
-E -
-W -
-e -
-n -
-q -
-s -
-t -
-w -
-x