Michael, R.K. <br/><br/>
Mastering UNIX shell scripting / 

 - 2nd ed. 
 - New York:  Wiley,  2009. 
 - xxx,1002 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating Systems
<br/><br/><label>Dewey Class. No.: </label>005.432  / M6211