Rosen, Kenneth H; Host, Douglas; Klee, Rachel; Farber, James; Rosinksi, Richard <br/><br/>
UNIX  the complete reference 

 - 2nd ed. 
 - Tata McGraw Hill Education  New Delhi  2012 
 - xxxviii,873 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>001.61