Schmitz, Ruth. <br/><br/>
Practical DOS  MS/PC-DOS 
Ruth Schmitz. 
 - Santa Cruz, Calif.  Mitchell Pub.  c1989. 
 - xvii, 286 p.  ill.  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0394394852 (text only) 0394394879 (text with data disk)  19.01 
<br/><br/><label>LCCN: </label>88061889  
<br/><br/><label>Subjects--Topical Terms: </label><br/>PC DOS Computer operating system.<br/>Operating systems Computers.<br/>MS DOS Computer operating system
<br/><br/><label>LC Class. No.: </label>QA76.76.O63  / S384 1989 
<br/><br/><label>Dewey Class. No.: </label>005.4/46