Michael Jang, (RHCE, LPIC-2, UCP, Linux+, MCP), author of the popular RHCE Red Hat Certified Engineer Linux Study Guide (Exam RH302) and about 20 other professional technology titles, is currently a full-time writer, specializing in operating systems and networks. His experience with computers goes back to the days of jumbled punch cards. He has written other books on Linux certification, including LPIC-1 in Depth, Mike Meyers' Linux+ Certification Passport, and Sair GNU/Linux Installation and Configuration Exam Cram. His other Linux books include Linux Annoyances for Geeks, Linux Patch Management, and Mastering Fedora Core Linux 5. He has also written or contributed to books on Microsoft operating systems, including MCSE Guide to Microsoft Windows 98 and Mastering Windows XP Professional, Second Edition.