Configure Wirelesss Lan in Backtrack 5R1 (Ubuntu) a. Download the utility (wireless lan card drivers) in a XP box. copy the rtl8187B.sys & rtl8187B.inf files where these two files can be downloaded to the BT linux. b. Open a Terminal (Applications, Accessories, Terminal) and type "sudo apt-get install ndisgtk" and press "Enter." Type "sudo apt-get install ndiswrapper-common" and "sudo apt-get install ndiswrapper-utils," both followed by "Enter." This installs Ndiswrapper, a utility for installing Windows devices drivers in Linux. c. Plug in your TEW-424UB and insert the vendor CD into the disc drive and double-click the desktop icon to view its contents. Open the "Drivers" folder and navigate to "Windows XP." Drag the drivers (both SYS and INF) from this folder onto Ubuntu's desktop. d. Type "sudo ndiswrapper -i /home/USERNAME/Desktop/Sis163u.INF," replacing USERNAME with your Ubuntu username, and