Flynn, Ida M., 1942- Understanding operating systems / Ida M. Flynn, Ann McIver McHoes. - 4th ed. - Boston, Mass. : Thomson Course Technology, 2006. - 555 p. : ill. ; 24 cm. Includes bibliographical references (pages 557-560) and index. ISBN: 0534423663 Subjects--Topical Terms: Operating systems (Computers) LC Class. No.: QA76.76.O63