This reminds me of the fact that how deeply I've been in the nasty real world...http://prex.sourceforge.net/Also the developer's blog is interesting.http://d.hatena.ne.jp/kohtani/If someone knows anything about this OS, please let me know;)

http://lwn.net/Articles/206695/

http://www-128.ibm.com/developerworks/power/library/pa-cell/

It seems that someone told me this kind of structure, like VM which uses qemu last year, though I almost forgot that story;) http://kvm.sourceforge.net/