Hardware virtualization

computer file containing the contents and structure of a disk volume

virtualization of computers or operating systems

libvirt is an open-source API, daemon and management tool for managing platform virtualization. It can be used to manage KVM, Xen, VMware ESXi, QEMU and other virtualization technologies. These APIs are widely used in the orchestration layer of hypervisors in the development of a cloud-based solution.

hardware-assisted virtualization on x86/x86-64 CPUs

single-purpose computing device with software or firmware dedicated to providing a specific computing resource

hardware-assisted virtualization technology

pre-configured virtual machine image, ready to run on a hypervisor

virtually allocating more of a computing resource than is physically available