Petersen, Richard. <br/><br/>
Linux :  the complete reference / 
By Richard Petersen. 
 - 6th ed.  
 - New Delhi :  Tata McGraw Hill Publishing Company Ltd. ,  2009 . 
 - xxxiii, 830p. ;  PB  23.5 cm. 
<br/><br/><label>ISBN: </label>9780070222946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encryption integrity checks and signatures<br/>Distributed network file systems
<br/><br/><label>Dewey Class. No.: </label>005.44   / PETR