It keeps each VM separate from others so they don’t interfere with each other. The hypervisor allocates physical computing resources-such as processors, memory, and storage-to each VM. Instead, it needs a lightweight software layer called a hypervisor to coordinate between it and the underlying physical hardware. A VM cannot interact directly with a physical computer. Virtualization makes it possible to create multiple virtual machines, each with their own operating system (OS) and applications, on a single physical machine. They are often referred to as a guest while the physical machine they run on is referred to as the host. What is a virtual machine (VM)?Ī virtual machine is a virtual representation, or emulation, of a physical computer. An introduction to Virtual Machines (VMs), technology for building virtualized computing environments and the foundation of the first generation of cloud computing.
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