utalk(1) on Linux
The text 9a16ed5895d5, as Debian 12 (Bookworm) shipped it. The page shows this text now.
a UDP-based full screen talk program
Flags it lists
-
--announce-only -
--client -
--eight-bit -
--server -
--seven-bit -
-7 -
-8 -
-a -
-c -
-s