Ritchie , Calin <br/><br/>
Operating Systems: incorporating unix and ms-dos 

 - 2nd 
 - New Delhi  1995 
 - vii,231 
<br/><br/><label>ISBN: </label>81-7029-642-0 
<br/><br/><label>Subjects--Personal Names: </label><br/>Engineering Technology
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information & general works