tmux(1) on OpenBSD
The text 05ebe5af1194, as OpenBSD 8.0 shipped it.
terminal multiplexer
Flags it lists
-
-2 -
-C -
-D -
-L -
-N -
-S -
-T -
-V -
-c -
-f -
-h -
-l -
-u -
-v