Introduction / Chris DiBona, Sam Ockman, and Mark Stone -- A brief history of hackerdom / Eric S. Raymond -- Twenty years of Berkeley Unix : from AT&T-owned to freely redistributable / Marshall Kirk McKusick -- The Internet Engineering Task Force / Scott Bradner -- The GNU Operating System and the Free Software Movement / Richard Stallman -- The future of Cygnus Solutions : and entrepreneur's account / Michael Tiemann -- Software engineering / Paul Vixie -- Giving it away : how Red Hat Software stumbled across a new economic model and helped improve an industry / Robert Young -- Diligence, patience, and humility / Larry Wall -- Open Source as a business strategy / Brian Behlendorf -- The Open Source definition / Bruce Perens -- Hardware, software, and infoware / Tim O'Reilly -- Freeing the source : the story of Mozilla / Jim Hamerly and Tome Paquin with Susan Walton -- The revenge of the hackers / Eric S. Raymond