mate-volume-control-applet(1) on Linux
The text bb301a140628, as Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
The MATE Volume Control Applet
Flags it lists
-
--debug -
--display -
--help -
--help-all -
--help-gtk -
--version -
-? -
-d -
-h -
-v