msgs(1) on FreeBSD
The text c49a4725acd9, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
system messages and junk mail program
Flags it lists
-
- -
-f -
-h -
-l -
-m -
-n -
-number -
-p -
-q -
-s -
-y