Looking to try one of the many virtualization platforms on Linux without altering your install?

virtualization.info draws attention to the latest Knoppix release which includes:

special feature virtualization:

* qemu including accellerated kernel module kqemu,
* kvm for CPUs supporting hardware-accellerated virtualization,
* VirtualBox OSE
* Xen 3.0.4
* VServer
* OpenVZ 2.6.18-028test018.1