Das Sumitabha. <br/><br/>
Unix Concepts And Applications 

 - 4 Ed. 
 - NULL  Tata Mcgraw Hill.  2007 
 - 671p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATION TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>621.3819