Operating systems / 
3G E-Learning 
 - New York :  3G E-Learning,   c2020. 
 - xiv, 357 pages :  color illustrations. 
<br/><br/> Includes references and index. 
<br/><br/><label>ISBN: </label>9781984638489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>005.43   / T531 2020