McHoes, Ann McIver. <br/><br/>
Understanding operating systems /   
Ann McIver McHoes. 
 - 7th Ed. 
 - Boston, MA :     Cengage Learning,     2013. 
 - xix, 572 p. :    ill. ;    24 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781285096551 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>LC Class. No.: </label>QA76.76.O63  /  F59 2013