I’m trying to understand them a bit better, but it’s just not clicking for me. How is it able to operate like a physical computer and what is the benefit of that? Would you be able to say write an essay for your English class on a VM, save it there, and access it at a later time?
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There are some really good rundowns so far but I don’t think any match the point you were thinking about with saving the essay.
You will often hear of a VM used so that every time it is restarted it is in a known state. ie EVERY THING on the ‘disk’ is wiped when it reboots. In this use case there will normally be a network drive to save files to (this is bound to also be presentenced form another VM) that is persistent and you can retrieve your documents from.
This all used to be done in-house but more and more is being outsourced to the cloud – that are yet more VMs that may be running on a VM on real hardware (that is running in a simulation?)
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