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@@ -30,4 +30,12 @@ Hypervisor implementations vary: * type 0 hypervisor: hardware based solutions that provide support at the firmware level. * type 1 hypervisor: OS like software built to provide virtualization. +* type 2 hypervisor: are applications that run on other operating systems, which do not know that virtualization is taking place. +VCPU: virtual CPU. does not execute code but represents the state of the CPU as the guest machine believes it to be. + +## Summary + +Virtualization is a method of providing a guest with a duplicate of a system's underlying hardware. +Multiple guests can run on a given syste, each believing it is the native operating system in full control +of the system. |