mount(8) on FreeBSD
The text 966e41320cec, as FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
mount file systems
Flags it lists
-
-F -
-L -
-a -
-d -
-f -
-l -
-n -
-o -
-p -
-r -
-u -
-v -
-w