alsactl(1) on Linux
The text 91f8208b7018, as Debian 5.0 (Lenny) shipped it.
advanced controls for ALSA soundcard driver
Flags it lists
-
--debug -
--file -
--force -
--help -
--pedantic -
--version -
-F -
-P -
-d -
-f -
-h -
-v