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Figure 1.1 Virtualization Architecture
On the left, the virtual machine host's Domain0 is shown running the SUSE Linux op-
erating system. The two virtual machines shown in the middle are running paravirtualized
operating systems. The virtual machine on the right shows a fully virtual machine run-
ning an unmodified operating system, such as Windows Server 2003 or Windows XP.
1.4 The Virtual Machine Host
After you install the virtualization components and reboot the computer, the GRUB
boot loader menu displays a Xen menu option. Selecting the Xen menu option loads
the Xen hypervisor and starts the Domain0 running the SUSE Linux operating system.
Running on Domain0, the SUSE Linux operating system displays the installed text
console or desktop environment, such as GNOME or KDE. The terminals of VM Guest
systems are displayed in their own window inside the controlling Domain0 when opened.
4
Virtualization with Xen
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