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Install chm viewer on Linux

I was looking in to a nice socket programming document which we in chm
, but this does not work in linux so I googled around and found stuff
below.
I use the below command 'apt-get' on my Ubuntu. But 'yum' will work on
Redhat variants.
# apt-get install gnochm
OR
# apt-get install kchmviewer
Gnome Desktop User
$ gnochm file.chm
KDE Desktop User
$ kchmviewer file.chm
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