Virtualization Concepts

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Virtualization

Virtualization represents running software, usually multiple operating systems, concurrently and in isolation from other programs on a single system, called host.

Virtualization Platforms

Hypervisor

The entity that controls virtualization is referred to as hypervisor. The virtual machines are known as "guests" or "guest operating systems".

Hypervisors: KVM, Xen, VMware ESX.

Host Operating System

The host operating system (or the host OS) is the operating system of the physical computer on which the hypervisor is installed.

Guest Operating System

The guest operating system (or the guest OS) is the operating system that is running inside the virtual machine.

Virtual Machine

Hardware Devices and Virtualization

Linux Virtualization Concepts

Linux Virtualization Concepts