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Troubleshooting Windows® 7 Inside Out by Mike Halsey

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Chapter 8. Virtualization

As computers and processors become more powerful, they’re able to do more tasks simultaneously. The advent of multi-core processors made this even easier, and now virtualization is everywhere.

But what is it? Virtualization is an operating system running on software-based, emulated hardware and sharing the same hardware. To do this, the host operating system shares the computer’s resources between the different virtual machines (VMs). This includes isolating areas of memory for each VM and, in the case of a multi-core processor, sometimes even assigning a specific processor ...

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