cwcp(1) on Linux
The text d55b7249bb04, as Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
curses-based Morse tutor program
Flags it lists
-
--device -
--gap -
--help -
--infile -
--outfile -
--system -
--time -
--tone -
--version -
--volume -
--weighting -
--wpm -
-F -
-T -
-V -
-d -
-f -
-g -
-h -
-k -
-s -
-t -
-v -
-w