If you want to have multiple OSs in your system, use OSL2000 to easily install, boot and maintain them.
Installation is very simple , easy , fully automatic and takes less than a second.
BootMenu sports a fully automatic, simple, customizable yet powerful interface . Has tons of advanced features like QuickBoot , AutoBoot , AutoHide , BootScan , etc. Let you have independent and even multiple copies of windows. Can boot upto 100 operating systems. All components are completely automatic .