Operating system. 

 - vii. 280p.  23cm. 
<br/><br/><label>ISBN: </label>978-93-5115-510-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers).
<br/><br/><label>Dewey Class. No.: </label>005.43 Op615 2015