Hypervisor Guest OS
Host OS Virtualization
Snapshot Provisioning
Cloning Containerization

 

An operating system running inside a virtual machine. A layer of software that creates and manages virtual machines.
The process of creating virtual versions of physical resources. The operating system that runs on the physical hardware and supports virtualization.
The process of preparing and equipping a virtual machine with necessary resources. A saved state of a virtual machine at a particular point in time.
Technology that allows applications to run in isolated user spaces, leveraging the host OS's kernel. Creating an exact copy of a virtual machine.