efax(1) on Linux
The text d649c1d5fb1e, as Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
send/receive faxes using Class 1 or 2 fax modems
Flags it lists
-
-a -
-c -
-d -
-f -
-g -
-h -
-i -
-j -
-k -
-l -
-o -
-q -
-r -
-s -
-v -
-w -
-x