in.ftpd(8) on Linux
The text 81625957965d, as Debian 5.0 (Lenny) shipped it.
Internet File Transfer Protocol server
Flags it lists
-
-A -
-D -
-M -
-P -
-S -
-T -
-U -
-d -
-h -
-l -
-n -
-t -
-u