Virtualization is the latest big trend in computing. Using virtual machines, you can run an entire virtual operating system on top of your existing OS. If you have Windows 7 installed, for example, you can download a virtualization application like VMware Player or Oracle VM VirtualBox, install Ubuntu Linux on it, and run Ubuntu inside Windows! The difference between software and hardware gets confusing when you realize that the virtual OS uses virtual hardware to re-create virtually everything in the ...
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