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Virtualization is also useful in terms of trying out different operating systems without having to configure dual boot environments. For example, you can try out Ubuntu Linux without having to re-partition the disk and reboot from Fedora Linux. You simply start up virtualized version of Ubuntu as a guest operating system.
There are a number of ways to implement virtualization on Fedora. Options include VMware and KVM. One of the most popular technologies on Fedora is called Xen. Red Hat engineers have invested considerable effort into making Xen easy to install, configure and manage on both Red Hat Enterprise Linux and Fedora. Much Many of these improvements appeared in Fedora 7. For this reasonthese reasons, this chapter will focus on Xen Virtualization in Fedora and will assume you are using Fedora 7 or later.
== Checking Xen Hardware Compatibility ==
