Jay Ts is a system administrator and programmer with many years of experience working with several versions of Unix and other operating systems. Nowadays he works as an independent consultant out of his home in Sedona, Arizona. When he is not busy reading the Samba mailing lists and learning about new computer technology, Jay might be analyzing stock market behavior, meditating, playing around in his recording studio, or hiking in the wilderness near his home. Robert Eckstein, an editor at O'Reilly, works mostly on Java books (notably Java Swing) and is also responsible for the XML Pocket Reference and Webmaster in a Nutshell, 2nd Edition. In his spare time he has been known to provide online coverage for popular conferences. He also writes articles for JavaWorld magazine. Robert holds bachelor's degrees in computer science and communications from Trinity University. In the past, he has worked for the USAA insurance company and more recently spent four years with Motorola's cellular software division. He is the co-author of Using Samba. David Collier-Brown is a consulting systems integrator, currently working for the performance and engineering group at Sun Opcom in Toronto. He is also co-author of the first edition of Using Samba. In his spare time he reads assiduously, keeps score for his wife's baseball team and, in the two weeks of the local summer, sails from Toronto's outer harbor.