Blum, Richard. <br/><br/>
Linux :  command line and shell scripting bible / 
By Richard Blum. 
 - 1st ed. 
 - New Delhi :  Wiley India Pvt Ltd ,  2008. 
 - xxx,809 p.;  PB  24 cm. 
<br/><br/><label>ISBN: </label>9788126516872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic bash shell<br/>Understanding linux file permissions<br/>Shell scripting basics
<br/><br/><label>Dewey Class. No.: </label>005.44   / BLUR