Warren Gay is a Supervisor at Mackenzie Financial Corporation, in Toronto.There he supervises a small team of programmers that manage the Mackenzie Investment Management System (IMS.) Warren is the author of Sams¹ Teach Yourself Linux Programming in 24 Hours (published 1999) and Linux Socket Programming by Example (due April 2000). Amateur radio is a hobby of Warren's. He holds an advanced amateur radio license and is occasionally active on 75 meters with radio call sign VE3WWG.Using the 2-meter band on August 3, 1991, he made contact with Musa Manarov,call sign U2MIR, aboard the Soviet MIR space station using his PC and packet radio gear.Warren has been programming professionally since 1980, using many assembler languages, PL/I, C and C++. He has been programming for UNIX since 1986, and started programming for Linux in 1994. Linux has allowed him to contribute software packages such as the ftpbackup program and the rewrite of the popular wavplay program. These and his other LINUX packages can be found at sunsite.unc.edu and its mirror ftp sites. Warren lives with his wife Jacqueline, and his three children Erin, Laura, and Scott in St. Catharines, Ontario, Canada.