Rosen, Kenneth H, et al. <br/><br/>
UNIX: The complete reference 

 -  TATA McGraw-Hill Publishing Co., Ltd., New Delhi  2001 
 - 1302 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating system
<br/><br/><label>Dewey Class. No.: </label>R 005.43U  ROS-U