exrmaketiled(1) on Linux
The text 9843e16478f2, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
for generating tiled and rip/mipmapped images.
Flags it lists
-
-d -
-f -
-h -
-m -
-o -
-r -
-u -
-v -
-z