Das, Sumitabha <br/><br/>
UNIX Concept & Applications 

 - 4 Ed. 
 - NEW DELHI  McGRAW-HILL EDUCATION PVT LTD  2020 
 - 671p. 
 - Source= Bharati Madhyavarti Sahakari Grahak Bhandar, Pune (Best Book Suppliers, Kolhapur) .
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER SICENCE