clipit(1) on Linux
The text 40cbf5312a9a, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Lightweight GTK+ Clipboard Manager
Flags it lists
-
--clipboard -
--daemon -
--help -
--no-icon -
--primary -
-? -
-c -
-d -
-n -
-p