Robbins, Judd. <br/><br/>
Mastering DOS:  The complete tutorial and up-to date user's guide / 
Judd Robbins. 
 - 2nd ed. 
 - New Delhi :  BPB Pub.,  1987. 
 - xxvii, 722p.  ill;  22 cm 
<br/><br/>included index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer file--Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.642  / ROM 1988