efix(1) on Linux
The text 40ad64cfe040, as Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex) shipped it.
convert between fax, text, bit-map and gray-scale formats
Flags it lists
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-O -
-d -
-f -
-i -
-l -
-n -
-o -
-p -
-r -
-s -
-v