route - show / manipulate the IP routing table
SYNOPSIS
route [-CFvnee]
route
[-v] [-A family] add [-net|-host] target [netmask Nm] [gw Gw] [metric N] [mss M] [window W] [irtt I] [reject] [mod] [dyn] [reinstate] [[dev] If]
route
[-v] [-A family] del [-net|-host] target [gw Gw] [netmask Nm] [metric N] [[dev] If]
route
[-V] [--version] [-h] [--help]
for example
" route add -net 192.168.0.0 netmask 255.255.255.0 dev eth0 "
comm: the word dev is option here
