msgs(1) on FreeBSD
The text b22528fac182, as FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
system messages and junk mail program
Flags it lists
-
- -
-f -
-h -
-l -
-m -
-n -
-number -
-p -
-q -
-s -
-y