Hansen, Per Brinch. <br/><br/>
Operating system principles / 
Per Brinch Hansen. 
 - 1st ed. 
 - New Delhi :  Prentice-Hall,  1986 
 - xvii, 366 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical reference and index. 
<br/><br/><label>ISBN: </label>0876921357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>005.33  / HAO