ps(1) on OpenBSD
The text 516e67eebb9f, as OpenBSD 4.0, OpenBSD 3.9 shipped it.
process status
Flags it lists
-
-C -
-L -
-M -
-N -
-O -
-S -
-T -
-U -
-W -
-a -
-c -
-e -
-h -
-j -
-k -
-l -
-m -
-o -
-p -
-r -
-t -
-u -
-v -
-w -
-x