xtrlock(1) on Linux
The text 7650b17f4c90, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
Lock X display until password supplied, leaving windows visible
Flags it lists
-
-b -
-f
The text 7650b17f4c90, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
Lock X display until password supplied, leaving windows visible
-b
-f