Schwartz, Karl. <br/><br/>
Dos 5 :  Includes DOS shell commands 

<br/><br/><label>ISBN: </label>1562430122 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>MS-DOS (Computer file)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)