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hypervisor Last modified: Tuesday, December 19, 2006
In virtualization technology, hypervisor is a software program that manages multiple operating systems (or multiple instances of the same operating system) on a single computer system. The hypervisor manages the system's processor, memory, and other resources to allocate what each operating system requires. Hypervisors are designed for a particular processor architecture and may also be called virtualization managers.		Related Categories Operating Systems Software Virtualization Related Terms architecture memory operating environment operating system processor software virtual virtual machine Books hypervisor Products Shop by Top Models: David Chisnall - The Definitive Guide to the Xen Hypervisor 2 store offers from $37 - $45 John Kelbley, Allen Stewart, Mike Sterling - Windows Server 2008 Hyper-v: Insiders Guide to Microsoft's Hypervisor 3 store offers from $31 - $37
Coming Soon to VMware, Microsoft, and Xen: AMD Virtualization Technology Solves Virtualization Challenges All modern operating systems expect that their kernel and driver code is running in privileged mode, which of course is fine in a non-virtualized PC. However, in a virtual machine, you don't want that kernel and driver code, or the interrupt handlers, to really have full control over the hardware; you need the VMM to be able to be able to transparently manage the system. Hot Topics on Virtually Pervasive Learn all about the latest trend sweeping through enterprises.