Das/S.  <br/><br/>
Unix System V.4 

 - New Delhi  Tata Mc Graw hill  1993 
 - 498 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>unix
<br/><br/><label>Dewey Class. No.: </label>005.13 'U'