efix(1) on Linux
The text edaac3b9b541, as Debian 1.1 (Buzz) shipped it.
convert between fax, text, bit-map and gray-scale formats
Flags it lists
-
-O -
-d -
-f -
-i -
-l -
-n -
-o -
-p -
-r -
-s -
-v