TY  - BOOK
AU  - Kernighan, Brian W.
AU  - Pike, Rob.
TI  - Unix programming environment.
SN  - 0876924992
U1  - 005.43 KERB 
PY  - 1991///
CY  - New Delhi
PB  - Prentice Hall of India PVt Ltd
KW  - Using the shell
KW  - Programming with standard
KW  - Unix system calls
ER  -