Blum, Richard S. <br/><br/>
Linux command line and shell scripting bible, second edition / Richard Blum, Christine Bresnahan, Robert Fonseca-Ensor. 

 - 2nd ed. 
 -  Indianapolis, IN : Wiley Pubishing, Inc., 2011. 
 - xxx, 809 p. : ill. 
<br/><br/><label>ISBN: </label>9781118004425 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers) Scripting languages (Computer science)