iwconfig -help iwconfig -version iwconfig [interface] iwconfig interface [essid X] [freq F] [channel C] [sens S] [ap A] [rate R] [rts RT] [frag FT] [txpower T] [enc E] [key K] [retry R]
The first form of the iwconfig command gives a brief help message. The second form of the iwconfig command returns the current version of iwconfig along with the version of the wireless extensions with which it was built.
In the third form of the iwconfig command, the current wireless status of the interface is returned. If no interface is specified, the current wireless status of every network interface is returned. Non-wireless devices will not return any wireless status.
The last form of the iwconfig command allows the user to change any of the optional parameters. Only the parameters which you wish to change need to be specified. Unspecified parameters will not be modified. Each parameter is described below.