Brian Knittel has been a software developer for more than 20 years. After doing graduate work in nuclear medicine and magnetic resonance imaging technologies, he began a career as an independent consultant. An eclectic mix of clients has led to long-term projects in medical documentation, workflow management, real-time industrial system control, and most importantly, 20 years of real-world experience with MS-DOS, Windows, and computer networking in the business world. Previously, he coauthored Special Edition Using Microsoft Windows 2000 Professional, Special Edition Using Microsoft Windows XP, and contributed to several of Bob Cowart's other Windows books. Brian also coauthored Upgrading and Repairing Windows, with Scott Mueller, and is the sole author of Windows XP Under the Hood. Brian lives in Oakland, California, and spends his free time restoring antique computers and trying to perfect his wood-fired pizza recipes.