smdiag(8) on Linux
The text 70d62e7d513e, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Linux soundcard packet radio modem driver diagnostics utility
Flags it lists
-
-c -
-d -
-e -
-h -
-i