alsaucm(1) on Linux
The text 5e396d656c40, as Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
ALSA Use Case Manager
Flags it lists
-
--batch -
--card -
--help -
--interactive -
--no-open -
-b -
-c -
-h -
-i -
-n