Routledge, Gerry    <br/><br/>
Using DOS :  the user-friendly reference /  
Gerry Routledge    
 - Indianapolis :  Que Corporation,   1995.    
 - xxii, 419p.:   ill.;   24 cm.    
<br/><br/><label>ISBN: </label>0789700956    
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS-DOS (Computer file)   <br/>PL-DOS (Computer file)