# netstat -h
netstat: invalid option -- 'h'
BusyBox v1.7.2 (2013-01-12 20:24:34 PST) multi-call binary

Usage: netstat [-laentuwxrW]

Display networking information

Options:
	-l	Display listening server sockets
	-a	Display all sockets (default: connected)
	-e	Display other/more information
	-n	Don't resolve names
	-t	Tcp sockets
	-u	Udp sockets
	-w	Raw sockets
	-x	Unix sockets
	-r	Display routing table
	-W	Display with no column truncation