how to use arduino yun to scan networks around?

Angelo9999:
You can scan networks in the linux side and then pass the data to the Atmega.

To scan the network you can use command line utilities or you can write a python script.
Once the linux side is ready the Atmega can run the script or the command through the Bridge library and then get the output.

http://arduino.cc/en/Reference/YunProcessConstructor

Thank you, sir!
Do you mean that I need to change the program in the linux side? I don't know anything about the linux. Or there have been such scripts already in the linux side and i just need to write some command in the Atmega? If so can you tell me where to search such commands.
Thanks a lot