TY  - BOOK
AU  - Kernighan, Brian, W.
AU  - Pike, Rob
TI  - Unix programming environment
SN  - 0876924992
U1  - 001.6425 
PY  - 1989///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Computer programming language, Unix
KW  - computer science
ER  -