ttyrecv(1) on Linux
The text 7fa6afa47c87, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it. The page shows this text now.
Serial Line Rate Tester (Receive)
Flags it lists
-
--help -
--version -
-? -
-c -
-l -
-r -
-s -
-t