xjremote(1) on Linux
The text 48c92efc8f7a, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
X Jack Video Monitor Remote Control
Flags it lists
-
--help -
--id -
--no-initial-sync -
--nofork -
--noping -
--quiet -
--silent -
--unlink -
--unlinkonly -
--version -
-I -
-J -
-P -
-U -
-V -
-f -
-h -
-q -
-u