[ Thanks to Jeremy Andrews for this
link. ]
“With little fanfare, User Mode Linux (UML) has been merged into
Linus’ BitKeeper tree. The merge followed a patch by UML author
Jeff Dike, resynching UML with the 2.5.34 development kernel. The
BK changeset details are available here.“From the UML homepage, User-Mode Linux provides you with a
virtual machine that offers ‘a safe, secure way of running Linux
versions and Linux processes. Run buggy software, experiment with
new Linux kernels or distributions, and poke around in the
internals of Linux, all without risking your main Linux
setup…’