> I have downloaded the httrack-3.30.tar.gz from the 
website .
> I am not able to install it . How to do that ??
As root, do the following:
tar xvfz httrack-3.30.tar.gz
cd httrack-3.30
./configure --prefix=/usr/local && make && make install

This should work.

I also asked RedHat if they could package httrack, but I 
got no reply :(