newsyslog(8) on FreeBSD
The text 894bdf3bf9d6, as FreeBSD 11.2-RELEASE shipped it.
maintain system log files to manageable sizes
Flags it lists
-
-C -
-F -
-N -
-P -
-R -
-S -
-a -
-d -
-f -
-n -
-r -
-s -
-t -
-v