tonedebug(1) on Linux
The text d367c3ef9be1, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it. The page shows this text now.
Test parameters for the libvpb programmable tone detector
Flags it lists
-
--card -
--port -
-n -
-off -
-q -
-s -
-w