xeyes(1x) on Linux
The text 137f26238f28, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.1 (Buzz) shipped it.
a follow the mouse X demo
Flags it lists
-
-display -
-geometry -
-shape