Robbins, Judd,  <br/><br/>
Mastering Dos :  the complete tutorial and up-to0date user's guide / 
Judd Robbins 
 - Second edition 
 - Singapore :  Tech Publications,  1988 
 - xxvii, 722 pages :  illustrations ;  23 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9813091207 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PC-DOS (Computer file)<br/>MS-DOS (Computer file)
<br/><br/><label>LC Class. No.: </label>QA76.76.O63 R63