TY  - BOOK
AU  - DAS, SUMITABHA
TI  - UNIX: CONCEPTS AND APPLICATIONS 
SN  - 9780070635463
U1  - 005.44 O 00 DAS 
PY  - 2012///
CY  - NEW DELHI
PB  - TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED
ER  -