Sinclair, Lan <br/><br/>
Dos made simple 

 - London  Made simple books  1994 
 - ix, 150p.  24cm. 
<br/><br/><label>ISBN: </label>0750620692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OPERATING SYSTEMS FOR SPECIFIC TYPES OF COMPUTER
<br/><br/><label>Dewey Class. No.: </label>005.44  / SIN