How to Change MAC Address of Backtrack Machine

Various Time we Need to Change the MAC Address of our Backtrack Machine to change we use the MAC Changer 

first of all  open Terminal and type ifconfig  friends you known well that This is command we used to see the  IP address in the Linux machine  (Backtrack )

Now as we know as the Interface is in working we can't change the MAC Address of the Machine. So to Stop the Interface we type ifconfig eth0 down  now check ifconfig you will find that our interface eth0 is disable in our machine .

Now our main work is start we have to change the MAC Address to change the MAC Address Type in your Terminal macchanger -r eth0 this command will change your MAC Address Now again we have to run our Interface . To run our interface type ifconfig eth0 up . 

Now check your IP Address again with ifconfig command & you will find that your MAC address will be changed.

Enjoy friends .....