Actually, VT does make something possible that wasn't before - it allows for a program running under an operating system to obtain full control of the CPU (which is impossible under any modern operating system without virtualization). Although I do agree that you can do just as much without virtualization as you can with (gotta love Turing completeness:).

Virtual machines are the best way to accommodate different application needs in a datacenter environment. Whether you need to run your apps on a specific platform, or just need to meet scaling requirements, virtualization is the solution to a lot of IT manager's problems, thanks to fast and cheap memory. But what about the desktop?

As a technology writer, I use virtualization all the time, primarily to review new Linux distributions without taking up an entire machine's worth of data and resources. For everyday users, virtualization seems to be an unneeded luxury than anything else. Why would you need to run two operating systems at the same time? I can think of three good reasons why virtualization on the desktop is a good idea.

One of my favorite recommendations for all users is to install Linux as their primary desktop machine, saving their personal data on an external drive before they do. If they have Windows applications that they simply cannot part with, then they can use a virtual machine application to install Windows, and re-install just the needed apps.

Best playstation emulator for mac. Then they're off, moving their saved data back onto either the native Linux system or the virtual Windows machine, as needed. This gets them the flexibility of the apps they need, while letting them connect to the Internet on a much more secure and stable platform. Sometimes, you need to have the option of running multiple operating systems.

OS X Lion users, for instance, were unpleasantly surprised to learn that they could no longer run financial software Quicken 2007 on the new version of Apple's operating system, thanks to Apple's decision to drop support for Rosetta, which was the tech needed to run old PowerPC applications. Running a Windows instance on OS X, then, is one solution for this problem. If you want to have two (or more) machines in your home or office setup, it's a lot less expensive to run a virtual machine than buy a whole new one. Even the cost of buying an additional hard drive and Windows OEM license is less than what you would spend on a whole new machine. Especially since some virtualization clients are free-of-charge. In this article, we will explore three popular cross-platform virtualization clients and see how they stack up for personal use. VMware VMware is probably one of the most recognized names in the technology industry.

Many people have heard of it, even if they don't quite know what the company does. VMware is, quite simply, one of the strongest virtualization software companies in the world, if not the strongest. Their software offerings are widely used in virtual datacenters and desktops in businesses all over the world. It's a strength you can tap into as well, though at a cost.

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VMware has two primary desktop offerings: VMware Workstation and VMware Player. Each virtual client can virtual machines flawlessly. But Workstation has more features, such as dual-monitor support, Unity interface integration, and (most importantly) the ability to create virtual machines. Player does just what it's name suggests: it plays virtual machines, like a DVR playback. This limits Player for personal use if you want to install an operating system on your own virtual image.