xcwcp(1) on Linux
The text 73433c8a9373, as Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
X Window-based Morse tutor program
Flags it lists
-
--device -
--gap -
--infile -
--outfile -
--system -
--tone -
--volume -
--wpm -
-F -
-d -
-f -
-g -
-s -
-t -
-v -
-w