Quote Originally Posted by JohnnyH
I have installed the MBR in Linux partition...
It looks as if what you may actually have done was to choose installation of the Boot Loader into the Partition instead of into the MBR.
This would work if you have an independent boot manager to put in the MBR e.g. SmartBootManager or GAG Boot Manager (you could find these free downloads on the Web ).

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Thanks Johnny. But I read many posts that if I chose to install the Boot Loader in the MBR then my system will become unbootable. Neither Windows nor Knoppix will boot. Have you tried your solution out and does it work?

Rather than reinstalling I should be able to mount the partition, copy the boot loader with dd and copy it on to the MBR.
As a precaution I have to save a copy of the MBR before I overwrite the MBR and restore this copy if something is messed up. Any idea how to do the above things? I am not new to Unix and have tinkered with unix for many years.

Other posts were to use and configure GRUB. But I didnt find any readymade solution with GRUB with my scenerio. If things go wrong then the only way out is to reinstall Windows and Knoppix. I am not looking at poor man's installtion of Knoppix but a proper installation with boot options.