sysctl	get or set kernel state

	Usage:

	sysctl [-bnX] variable ...
	sysctl [-bnX] -w variable=value ...
	sysctl [-bnX] -a
	sysctl [-bnX] -A

	To see the whole MIB table use:
		sysctl -a

	To set specific variable to new value use:

		sysctl -w variable=value