Flynn, Ida M., 1942- Understanding operating systems [Book /] Ida M. Flynn, Ann McIver McHoes. - 4th ed. - Boston, Mass. : : Thomson Course Technology, , 2006. - 555 p. : ill. ; 25 cm. All age. ISBN: 0534423663 Subjects--Topical Terms: Operating systems (Computers). Dewey Class. No.: 005.43 National Library of Medicine Call No.: 005.43 / FU