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---
title: Lexicon
description: Lexicon on virtualization
published: true
date: 2021-08-12T12:43:36.738Z
tags:
editor: markdown
dateCreated: 2021-08-12T12:43:36.738Z
---
# Terms related to virtualization
When in **bold**, it refers to generic terms, when in *italic*, it refers to specific technologies or software
* *AMD Vi*
* *AMD SEV*:
* *crossvm*:
* **Emulated devices**:
* *Firecracker*:
* **Hypervisor**: A hypervisor or Virtual Machine Monitor is a piece of software
* **HVM**:
* *Intel VT-d*:
* *Intel VT-x*:
* *Intel GVT-d*:
* **IOMMU**:
* **Kernel space**:
* **KVM**: The Kernel-based Virtual Machine module for Linux.
* **Nested-passthrough**:
* **Nested-virtualization**:
* **Machine-level virtualization**:
* **OS-level virtualization**:
* **Passthrough**:
* **Paravirtualization**:
* *QEMU*: QEMU, shorts for QEMU is not an EMUlator, allows for emulating a great number of systems.
* *Qubes OS*:
* *Spectrum OS*:
* **Type 1 hypervisor**:
* **Type 2 hypervisor**:
* **UEFI**:
* **User space**:
* *Xen*:
* **Vhost**:
* **Virtio devices**:
* **Virtual machine**:
* **Virtualization**: allowing the recreation of software-based computers sitting on top of real, physical or bare-metal hardware
* **VFIO**: