Going Virtual
Thanks to the ability to create virtual machines (VMs), it is becoming far less common to need dual-boot machines today than in the past. Using VMs, you can run multiple operating systems (or multiple instances of the same operating system) on the same hardware at the same time and not need to reboot the system each time you want a different OS.
The hypervisor is a virtual machine manager—the software that allows the virtual machines to exist. In the Microsoft client OS realm, the built-in hypervisor is the Microsoft Virtual PC. Other options include VMware and Xen, which are two other well-known hypervisors.
There have been a number of virtualization-specific threats that have cropped up focusing on the hypervisor, but updates ...
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