Bhatt, Pramod Chandra P . Introduction to operating systems concepts and practice / by Pramod Chandra P Bhatt. - 3rd ed / - New Delhi : PHI Learning Private Ltd. , 2010 - xxiii, 800p ; ISBN: 978-81-203-4138-8 Subjects--Topical Terms: Computer, Operating systems Dewey Class. No.: BV / Q0;4