Let’s say i have a reasonable hardware and want to create an n number of virtual machines inside eachother for no particular reason but to experiment, i have a few questions:
What would be the best way to approach the problem?
What are weird problems that i would encounter?
After how many levels would my computer become unusable?
Would the loss of performance from a level to another be linear or exponential?
What’s the deepest level of nesting reached?


Best approach: Try it. Tell us how it goes. It seems interesting to me but not interesting enough to spend an afternoon doing it.
Weird problems: some virtualising software uses specific hardware features and just outright does not work in a virtual machine.
Your limit should be how many times bigger your actual cpu or ram is compared to what is used by operating system + virtualization software.
Or OP could ask Mr. Owl. 😁
Let’s find out.
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Crash
For the uninitiated:
For Science!
Unfortunately i don’t think my little laptop could handle more than 2, maybe 3 layers deep, making my efforts of little relevance to an actual study about the problem