Qubes is an open-source operating system designed to provide strong security for desktop computing. Qubes is based on Xen, the X Window System, and Linux, and can run most Linux applications and utilize most of the Linux drivers.
Ref : https://qubes-os.org/ http://www.linux.com/news/featured-blogs/200-libby-clark/788085-qubes-the-open-source-os-built-for-security -- Siji Sunny -- http://mm.ilug-bom.org.in/mailman/listinfo/linuxers
