how to view .chm extension in linux

GnoCHM or xCHM should do the task.

Install GnoCHM from synaptic or thru apt-get, if on debian/ubuntu. Otherwise search for the rpm of that software.

Google for it. Try "chm viewer for linux". It isn't rocket science.

cool i never searched abt tht

I used 2 convert chm 2 pdf on Windows box & den referring ebook on linux

Huh thnx for letting me know