ps(1) on FreeBSD
The text 8e307d6c9a9d, as FreeBSD 7.0-RELEASE shipped it.
process status
Flags it lists
-
-C -
-G -
-H -
-L -
-M -
-N -
-O -
-S -
-T -
-U -
-X -
-Z -
-a -
-c -
-e -
-f -
-h -
-j -
-l -
-m -
-o -
-p -
-r -
-t -
-u -
-v -
-w -
-x