Emulate your computer....

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We have discuss emulator for DOS and also for console that run on our computer. We also can "emulate" our computer in our computer.  This is called as Virtual Machine, a software implementation of a machine (i.e. a computer) that executes programs like a physical machine.

A virtual machine was originally defined by Popek and Goldberg as "an efficient, isolated duplicate of a real machine". Current use includes virtual machines which have no direct correspondence to any real hardware.

Virtual machines are separated into two major categories, based on their use and degree of correspondence to any real machine. A system virtual machine provides a complete system platform which supports the execution of a complete operating system (OS). In contrast, a process virtual machine is designed to run a single program, which means that it supports a single process. An essential characteristic of a virtual machine is that the software running inside is limited to the resources and abstractions provided by the virtual machine—it cannot break out of its virtual world.

There are many virtual machine software out there, the free on is Virtual Box, which has been released as Virtual Box 3.2 Beta. VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL). 


VirtualBox 3.2 Beta 1 was recently released with a new feature that will allow you to virtualize OS X. Right now the virtualized OS X will only run on Apple hardware but there is potential to get it running on Windows according to Life Hacker.

Typically a user running OS X would run a virtual Windows environment to access programs and features not available in OS X. Now a user could eventually run Windows with a virtual instance of OS X available to run programs or features that Windows lacks.

Along with the added support for an OS X guest the name has changed to Oracle VirtualBox since Sun Microsystems was bought out by Oracle in January of this year. They have also added multi-monitor support so you can take advantage of multiple monitors in your guest operating system. Along with pretty extensive list of major and minor updates and bug fixes.

Virtual Box official site : www.VirtualBox.org
Virtual Box release news : Virtual Box forum
Virtual Box download : Download page

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