Open Sources: Voices from the Open Source Revolution 1st Edition January 1999 1-56592-582-3, Order Number: 5823 280 pages, $24.95 What follows in this appendix are what are known in the community as the Tanenbaum/Linus "Linux is obsolete" debates. Andrew Tanenbaum is a well-respected researcher who has made a very good living thinking about operating systems and OS design. In early 1992, noticing