TY  - BOOK
AU  - DAS, SUMITABHA
TI  - UNIX CONCEPTS AND APPLICATIONS
SN  - 0070534756
U1  - 005.432 U/DAS 
PY  - 2004///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -