ftpd(8) on OpenBSD
The text 765973f2cd8f, as OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
Internet File Transfer Protocol server
Flags it lists
-
-4 -
-6 -
-A -
-D -
-M -
-P -
-S -
-T -
-U -
-d -
-l -
-n -
-t -
-u