Modified versions of Linux, NetBSD and Solaris can run as the dom0. Several modified Unix-like operating systems may function as guest operating systems (domU); on certain hardware, as of Xen version 3.0, unmodified versions of Microsoft Windows and other proprietary operating systems can also run as guests if the CPU supports x86 virtualization (such CPUs [...]

:::art: a superior skill that you can learn by study and practice and observation; "the art of conversation"; "it’s quite an art" :: ability for knightly sports including strength, speed, dexterity, training, tactical ability, cunning. In short, martial excellence. Prowess is the basic virtue shared by all martial societies, whether it be excellence in swordsmanship, [...]

A psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function, resulting in temporary changes in perception, mood, consciousness and behavior. These drugs may be used recreationally to purposefully alter one’s consciousness (such as coffee, alcohol, cocaine or cannabis), as entheogens for spiritual [...]

Pointers on giving a talk.htm