Pinkert, James R. Operating systems : concepts, policies, and mechanisms / James R. Pinkert, Larry L. Wear. - Englewood Cliffs, NJ : Prentice Hall, c1989. - xi, 356 p. : ill. ; 24 cm. ISBN: 0136380735 LCCN: 90042008 Subjects--Topical Terms: Operating systems (Computers).