Bhatt, Pramod Chandra P. An introduction to operating systems : concepts and practice / Pramod Chandra P. Bhatt. - New Delhi : Prentice-Hall of India, 2007. - xxiii, 616 p. : ISBN: 9788120332584 Subjects--Topical Terms: Operating systems (Computers) Dewey Class. No.: 005.43 / In,2