Crowley, Charles (Charles Patrick). Operating systems a design-oriented approach / [Book :] Charles Crowley. - New Delhi : MC Graw - hill book company, 1997. - xxii, 844, 6, 21, 12 p. : ill. ; 25 cm. All age. ISBN: 0074635514 Subjects--Topical Terms: Operating systems (Computers). Dewey Class. No.: 005.43 National Library of Medicine Call No.: 005.43 / CO