hypervisor

A hypervisor, also called a virtual machine manager, is a program that allows multiple operating systems to share a single hardware host. Each operating system appears to have the host's processor, memory, and other resources all to itself. However, the hypervisor is actually controlling the host processor and resources, allocating what is needed to each operating system in turn and making sure that the guest operating systems (called virtual machines) cannot disrupt each other.

This was last updated in October 2006
Posted by: Margaret Rouse
View the next item in this Essential Guide: virtual machine (VM) or view the full guide: Guide to SQL Server virtualization best practices

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