TY  - BOOK
AU  - Das, Sumitabha.
TI  - Unix Concepts & Applications / 
SN  - 0-07-463090-3
U1  - Bv 
PY  - 1998///
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing Company Limited , 
KW  - SCO Unix
ER  -