0 Credits About the Author Jim Aspinwall is the coauthor and author of four books about computers and networking. His writing spans not only books but feature articles and how-to columns for a handful of PC magazines and web sites, including Computer User, PC World, and CNET.com. His journey into the digital world began at a humble grass roots, learning the nuances of bits and bytes as a communications system and field service engineer when raw logic was truly raw logic in the 70s and the 8008 processor was programmed with paper tape and Teletype machines. From cross-country, arm-lengthening toolbox-toting he moved to more desktop- and keyboard-bound roles in support engineering helping transition minicomputer and microcomputer systems from research labs through production to customers. Acquiring his first “turbo XT” PC in 1986 and totally baffled by a blank DOS prompt, he sought out the mentoring of a good friend to