Harvey Greg DOS for dummies quick reference / by Greg Harvey. - 3rd ed. - Foster City, CA : IDG Books Worldwide, 1998. - xviii, 186 p. : ill. ; 22 cm. - For dummies. . Includes index. ISBN: 0764503685 Subjects--Topical Terms: Operating systems Computers LC Class. No.: QA76.76.O63 Dewey Class. No.: 005.4/469