Ray, John <br/><br/>
My macOS / 
John Ray 
 - USA:  Elsevier;  2017. 
 - xiv, 552 p. :  ill;  24 cm. 
<br/><br/> include index. 
<br/><br/><label>ISBN: </label>9780789757883 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opreating system
<br/><br/><label>Dewey Class. No.: </label>005.446  / RAY-M