Computer Science-Virtual Machines
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Description and Tags
VMs, Host OS, Guest OS, Hypervisor, emulation
Last updated 10:08 AM on 12/4/24
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4 Terms
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Virtual Machine
An emulation of an existing computer system, and OS in an OS. Nothing malicious can escape it.
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Host OS
Controls physical hardware, oversees virtual hardware through the guest OS.
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Guest OS
An OS running on a virtual machine. Has no ‘awareness’ that it is hosted, thinks it is an actual OS. Does not have same performance as real machine, complex, can be expensive.
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Hypervisor
Handles the mapping of virtual hardware to physical hardware.
