Operating systems:  an introduction/ 
R. Gray, G. Verma 
 - Virginia:  Mercury Learning and information,  2017. 
 - xiv, 290 pages:  illustrations;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781942270386 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>LC Class. No.: </label>Circ QA 76.6 .G37 2017