version 1.6, 2013/11/01 12:30:27
|
version 1.7, 2013/11/04 02:43:35
|
Line 20 Introduction
|
Line 20 Introduction
|
------------ |
------------ |
|
|
[![[Xen |
[![[Xen |
screenshot]](http://www.netbsd.org/gallery/in-Action/hubertf-xens.png)](http://www.netbsd.org/gallery/in-Action/hubertf-xens.png) |
screenshot]](http://www.netbsd.org/gallery/in-Action/hubertf-xens.png)](../../gallery/in-Action/hubertf-xen.png) |
|
|
Xen is a virtual machine monitor for x86 hardware (requires i686-class |
Xen is a virtual machine monitor for x86 hardware (requires i686-class |
CPUs), which supports running multiple guest operating systems on a |
CPUs), which supports running multiple guest operating systems on a |
single machine. Guest OSes (also called "domains") require a modified |
single machine. Guest OSes (also called “domains”) require a modified |
kernel which supports Xen hypercalls in replacement to access to the |
kernel which supports Xen hypercalls in replacement to access to the |
physical hardware. At boot, the Xen kernel (also known as the Xen |
physical hardware. At boot, the Xen kernel (also known as the Xen |
hypervisor) is loaded (via the bootloader) along with the guest kernel |
hypervisor) is loaded (via the bootloader) along with the guest kernel |