http://xen.terrabox.com/ http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html
Xen is a virtual machine monitor for x86 that supports execution of multiple guest operating systems with unprecedented levels of performance and resource isolation.
Sometime Today, S cobbled together some glyphs to say:
Xen is a virtual machine monitor for x86 that supports execution of multiple guest operating systems with unprecedented levels of performance and resource isolation.
Xen is software that handles scheduling between the two OSes. I'd like to see an implementation where the two kernels decide between themselves to timeshare or each execute on a separate CPU.