in.ftpd(8) on Linux
The text 3800d76ef032, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
Internet File Transfer Protocol server
Flags it lists
-
-A -
-D -
-M -
-P -
-S -
-T -
-U -
-d -
-h -
-l -
-t -
-u -
-z