How to view CHM files on Ubuntu

Install CHM Viewer
sudo apt-get install xchm
sudo apt-get install kchmviewer
sudo apt-get install gnochm

http://ubuntuforums.org/showthread.php?t=47952
http://www.ubuntugeek.com/how-to-view-chm-microsoft-compiled-html-help-files-in-ubuntu.html