cw(1) on Linux
The text 1ae3f0ba994d, as Debian 3.0 (Woody) shipped it.
sound characters as Morse code on the console speaker
Flags it lists
-
--device -
--file -
--gap -
--hz -
--nocombinations -
--nocommands -
--nocomments -
--noecho -
--nomessages -
--tone -
--wpm -
-c -
-d -
-e -
-f -
-g -
-m -
-o -
-p -
-t -
-w