KBtin(6) on Linux
The text 9b3da64d9bb7, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
a MUD client and an environment for line-based programs
Flags it lists
-
-i -
-p -
-q -
-v