pamscale(1) on Linux
The text 1d34f145fcbf, as Debian 12 (Bookworm) shipped it.
scale a Netpbm image
Flags it lists
-
-filter -
-height -
-nomix -
-pixels -
-reduce -
-reportonly -
-verbose -
-width -
-window -
-xscale -
-xsize -
-xyfill -
-xyfit -
-xysize -
-yscale -
-ysize