---
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**: