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For servers, multiple operating systems work side by side with a software called a hypervisor to manage them, while desktop computers typically use an operating system to perform other operating systems in its program windows. Several virtual machines can work simultaneously on the same physical computer.

This produces an ideal environment for testing other operating systems, including beta versions, access to data infected with the virus, creating operating system backups, and running software or applications on operating systems for which they have not been originally intended. The virtual machine is in the sandbox from the rest of the system, which means that the software inside a virtual machine can not escape the computer itself. It works in a window, just like any other program, giving the end-user the same experience on a virtual machine that it would have on the host operating system itself. In other words, create a computer in a computer. Virtual RAM and CPU in a parallel officeĪ virtual machine is a computer file, typically called an image, which behaves like a real computer.VMware Fusion (Mac): Virtual Machine Software VMware Workstation Player (Windows and Linux) VirtualBox (Mac and Windows): Virtual Machine Software Best Free Virtual Machine Software for Windows and Mac.