amixer(1) on Linux
The text f5536e1062e0, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
command-line mixer for ALSA soundcard driver
Flags it lists
-
--stdin -
-D -
-c -
-h -
-q -
-s