TY  - BOOK
AU  - Sumitabha Das
TI  - Unix: concepts and applications 
SN  -  9780070635463
U1  - 005.432 DAS/Uni 
PY  - 2006///
CY  - NEW DELHI
PB  - Tata McGraw-Hill
KW  - Unix: Concept and application
KW  - Computer science
KW  - Bachelor of Computer Application
ER  -