TY  - BOOK
AU  - Das, Sumitabha,
TI  - Unix : : concepts and applications / 
SN  - 0-07-463090-3
U1  - 005 
CY  - New Delhi
PB  - Tata McGraw-Hill,999.
KW  - Computer science
KW  - Computer programming
KW  - Unix
ER  -