na_record(1) on Linux
The text b1eef7ab1e43, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
record waveform from audio device
Flags it lists
-
-audiodevice -
-h -
-o -
-oswap -
-otype -
-time