tnftp(1) on Linux
The text b20e0c0c78e6, as Debian 5.0 (Lenny) shipped it.
Internet file transfer program
Flags it lists
-
-4 -
-6 -
-A -
-N -
-P -
-R -
-V -
-a -
-d -
-e -
-f -
-g -
-i -
-n -
-o -
-p -
-q -
-r -
-s -
-t -
-v