vmpk(1) on Linux
The text b8e3796c049e, as Debian 11 (Bullseye) shipped it.
Virtual MIDI Piano Keyboard
Flags it lists
-
-cmap -
-display -
-geometry -
-graphicssystem -
-im -
-inputstyle -
-name -
-ncols -
-reverse -
-session -
-style -
-stylesheet -
-title -
-visual -
-widgetcount