xcwcp(1) on Linux
The text e9cc71063705, as Debian 3.1 (Sarge) shipped it.
Xwindows-based Morse tutor program
Flags it lists
-
--cdevice -
--gap -
--hz -
--mdevice -
--sdevice -
--sound -
--tone -
--volume -
--wpm -
-d -
-g -
-s -
-t -
-v -
-w -
-x -
-y