Busch, David D. <br/><br/>
DOS customized / 
David D. Busch. 
 - Rev. and expanded. 
 - New York, N.Y. :  Brady Book,  c1987. 
<br/><br/>Includes references and index. 
<br/><br/><label>ISBN: </label>0136551505 (pbk.) 
<br/><br/><label>LCCN: </label>87028548  
<br/><br/><label>Subjects--Uniform Titles: </label><br/>MS-DOS (Computer file)<br/>PC-DOS (Computer file)
<br/><br/><label>LC Class. No.: </label>QA76.76.O63  / B874 1987 
<br/><br/><label>Dewey Class. No.: </label>005.446  / BUS