TY  - BOOK
AU  - Kernighan,Brian W
AU  - Pike,Rob
TI  - The UNIX programming environment
SN  - 0876924992
U1  - 005.432 UNI 
PY  - 1993///
CY  - New Delhi
PB  - Prentice Hall
KW  - UNIX - computer operating system
ER  -