eli5: What is a virtual machine?
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Just like there are different ways to set up a restaurant, there are different ways to set up a computer. Some might have a big kitchen. Some have a small one. Some have hibachi grills.
If you take a worker trained work in one restaurants’ layout and tell him to do exactly what he normally does at a different restaurant, there are going to be problems. When he looks for plates where he normally finds them, he may find pots and pans. Sure a human could probably figure it out, but computer’s are designed to follow instructions exactly. If they don’t find what the need where they expect it, they just crash.
Building upon this analogy, a virtual machine is a bit like a restaurant with a second smaller kitchen connected to the first. This allows the restaurant to fill orders it’s first kitchen can’t normally fulfill because it isn’t set up to do so.
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