Virtual PC was a somewhat simplified virtualization software which officially supported various versions of DOS and Windows and made the virtualization concept a little more accessible to the average user. Virtualization software enables a computer to act as a host, running multiple computer sessions with different operating systems for the purpose of testing software, isolating specific programs from the rest of the software on the host machine or maintaining older operating systems as needed after an upgrade.
Several years ago, I wrote an article for this site about Microsoft Virtual PC, Microsoft’s implementation of virtualization technology for the Windows desktop. This image shows a virtual machine with Windows XP installed,, referred to as the guest system, running on a Windows 7 host machine. What is Virtualization? Virtual machines enable the user to run multiple guest systems on the same computer.
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