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. The software entity that controls virtualization is called hypervisor.
Virtualization Platforms
- RedHat Virtualization
- VMware vSphere
- Microsof Hyper-V
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.