Introduction to interactive computing with VM/CMS 

 - White Plains, N.Y.  International Business Machines Corporation  1979 
 - 362 p. ; 24 cm. 
<br/><br/> 'SR20-4657-0'  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Virtual computer systems<br/>Electronic digital computers