slidescreen(6x) on Linux
The text 7ed0e115412e, as Debian 9 (Stretch) shipped it.
permute the screen image like an 8-puzzle
Flags it lists
-
-delay -
-delay2 -
-duration -
-fps -
-grid-size -
-ibw -
-increment -
-install -
-root -
-visual -
-window