![]() ![]() Multiple instances of a variety of operating systems may share the virtualized hardware resources: for example, Linux, Windows, and macOS instances can all run on a single physical x86 machine. Unlike an emulator, the guest executes most instructions on the native hardware. ![]() The hypervisor presents the guest operating systems with a virtual operating platform and manages the execution of the guest operating systems. A computer on which a hypervisor runs one or more virtual machines is called a host machine, and each virtual machine is called a guest machine. Piece of computer software, firmware or hardware that creates and runs virtual machinesĪ hypervisor (also known as a virtual machine monitor, VMM, or virtualizer) is a type of computer software, firmware or hardware that creates and runs virtual machines.
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