zBoot Manager is an effective boot manager and partition manager, which allows you to easily install and use multiple operating systems on a single hard drive. It can even boot OS from second HD. zBoot Manager supports most types of systems such as DOS, Windows 95/98/ME/NT/2000/XP, Linux, and you won't have to reinstall the system you're using right now. You'll be able to install up to 8 operating systems. It eliminates the need for FDISK. Directly set up 32 primary partitions with the built-in utility. Once set-up, the program displays a menu whenever you boot up, you simply select an operating system to run it on your computer. For security, selected systems may be password protected.