Deitel, Harvey M. <br/><br/>
Operating systems. 

 - second edition. 
 - New Delhi :  Pearson Education,  1990. 
 - xxvi, 853 pages :  : illustrations. 
<br/><br/>Includes bibliographical references and includes index. 
<br/><br/><label>ISBN: </label>8178080354 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)<br/>Computer operating systems.