wlan usb
 

HI I am very new to linux ..recently I have installed ubuntu 8.10 my wireless lan card (Engenius..Senao)usb2 adaptor which works perfectly with winxp seems to be not supported by linux...will u be kind enough to give me a little hint how to install that driver....best regards

You could try using ndiswrapper along with the winblows driver. Do a search in this forum on using ndiswrapper.