eli5: What is a virtual machine?
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It’s a computer playing make-believe.
The virtual machine behaves as if it were a real computer. But whenever it’s software goes to interact with the make-believe hardware, the host intervenes. It takes the commands to the make-believe hardware, translates it, then sends it to the actual hardware to run.
And the opposite. When the actual hardware sends back data, the host translates it back, pretends it’s the make-believe hardware, and gives the data to the virtual machine.
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