TY  - BOOK
AU  - Das, Sumitabha
TI  - Unix: concepts and applications
SN  - 0074630903
U1  - 005.382 DAS 
PY  - 1998///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Unix (Computer Program Langauge)
KW  - Unix Operating System
ER  -