Got this text from Dan Fernandez's Blog. A very easy, well-defined terminology of a Virtual PC.
For those who don't know, Virtual PC is a software product that allows you to run another operating system (Windows XP, Linux, or even Windows 3.1) "virtually" from inside a single computer. You'll see that PC load in a window and act as if it was a virtual PC (more info here). I'm a big VPC fan and I think this is great to hear. In fact, our developer division fully embraces Virtual PCs, so much so that the Community Tech Previews for Visual Studio "Orcas" will come as VPCs and, as an MSDN subscriber, you can download a VPC with Windows, SQL Server 2005 and Visual Studio 2005 Team System fully installed.
PC's Five Year's from now
I'm always surprised that virtualization doesn't make IT news anymore as one of the big things that will change the landscape in the future. In less then five years, Intel is aiming for a 32 core processor chip runing at 20GHz. I also don't think it's a stretch to think you'll have multiple terabyte hard drives in five years. If you combine the PC power in five years with advances in Virtual PC, you can start imagining running your day-to-day work environment, from Office to Visual Studio, in a Virtual PC.
=> Backups - Backing up a Virtual PC is as easy as copying the file. No really, that's it, copy/paste and you're done.
=> Deployment - Want to setup and configure your 10,000 employee shop? Just script each PC to download the approved company image and voila, your done. If somebody hoses their PC up, they can get up-to-speed in a matter of minutes by downloading the base image
=>Experimentation - Want to experiment with new features, just take your current VPC and create a differencing drive and go to town on it. The changes are only stored in the new drive and your "base" drive doesn't change.
=>Compatibility Testing - Want to easily test Windows XP Japanese with SQL Server 2005 English and Visual Studio 2005 Japanese? Easy, create a script to install the different permutations on a virtual PC or virtual server
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