Oz most commonly refers to: · The Wonderful Wizard of Oz, a children's story written by L. Frank Baum · The Wizard of Oz, the title of various works derived from the books · Land of Oz, the fictional empire in the Oz books · The Oz books, the series that stemmed from The Wonderful Wizard of Oz · Wizard , the title character · ounce, "oz" being an abbreviation for the unit of measure · An abbreviation for the name Osbourne · Oz HBO prison television series · Australia, Oz (from "Australia") a colloquial term for the nation Oz or OZ may also refer to: Computers and games · OpenZaurus, "OZ" is an abbreviation for a Linux distribution · Oz , a multi-paradigm computer programming language · Oz Enterprise, a Linux distribution · OZ - Ov