McQuillen, Harry,  <br/><br/>
10 minute guide to system 7 

 - x, 128 pages :   illustrations ;   22 cm 
<br/><br/><label>ISBN: </label>0672300338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating system ( computers )
<br/><br/><label>Dewey Class. No.: </label>005.4469