logger(1) on FreeBSD
The text 523e8e944fb2, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE shipped it.
make entries in the system log
Flags it lists
-
-4 -
-6 -
-A -
-f -
-h -
-i -
-p -
-s -
-t