sysctl(8) on FreeBSD
The text 73b5fd9e80cd, as FreeBSD 9.2-RELEASE shipped it.
get or set kernel state
Flags it lists
-
-A -
-N -
-X -
-a -
-b -
-d -
-e -
-h -
-i -
-n -
-o -
-q -
-x