sysctl(8) on FreeBSD
The text ed20feeee577, as FreeBSD 11.4-RELEASE shipped it.
get or set kernel state
Flags it lists
-
-A -
-B -
-N -
-T -
-W -
-X -
-a -
-b -
-d -
-e -
-f -
-h -
-i -
-n -
-o -
-q -
-t -
-x