Virtualization, a combo of hardware and software engineering, creates (VMs) Virtual Machines which are abstracts of the computer hardware that allows a single machine to act as if it was comprised of multiple machines. Hardware virtualization is accomplished by partitioning the physical computer’s memory into separate isolated virtual machines, whereas network virtualization consolidates multiple computers or network resources into a simple view so they can be easily managed with just one computer. Applications, humans, and devices can interact with each separate virtual resource as if it was a singular resource. Without Virtual Machines, a single operating system would own all hardware resources, which would prevent a user from gaining all the benefits of having multiple machines. A Virtual Machine is stored in a data file on a physical computer and can be easily copied and moved around, making it a simple, low-cost alternative to running multiple devices.
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