cjpeg(1) on Linux
The text 69b427953708, as Debian 7 (Wheezy) shipped it.
compress an image file to a JPEG file
Flags it lists
-
-arithmetic -
-baseline -
-dct -
-debug -
-grayscale -
-nosmooth -
-optimize -
-progressive -
-rgb -
-targa -
-verbose