SynopsisLast year's runaway bestseller is now revised and updated for the latest version of DOS. It's bigger and dumber than ever! Everybody's favorite computer book author takes an intimidating and boring subject like DOS and shows you that it's okay to laugh as you learn. With over 500,000 in print, the original edition has sold and sold and sold--over nine months atop the bestseller lists in the U.S., U.K., Canada, and Australia.