pasystray(1) on Linux
The text 668bac5ac452, as Debian 9 (Stretch) shipped it.
PulseAudio controller for the system tray
Flags it lists
-
--always-notify -
--debug -
--include-monitors -
--no-notify -
--version -
--volume-inc -
--volume-max -
-V -
-a -
-d -
-i -
-m -
-n