talkd(8) on Linux
The text 967c0226d93a, as Debian 13 (Trixie) shipped it.
remote user communication server
Flags it lists
-
--acl -
--debug -
--idle-timeout -
--logging -
--request-ttl -
--strict-policy -
--timeout -
--usage -
--version -
-S -
-V -
-a -
-d -
-i -
-l -
-r -
-t