00663nam a2200193 a 4500 120523s2003 ii a b 001 0 eng 8120323063 BD-KhUET BD-KhUET 005.43 20 Bhatt, Pramod Chandra P. An introduction to operating systems : concepts and practice / Pramod Chandra P Bhatt. 2nd ed. New Delhi : Prentice Hall of India, c2003 xiii, 297 p. : ill. ; 24 cm. Includes bibliographical references and index. Operating systems (Computers) 5361 5361