TY  - BOOK
AU  - Godbole, Achyut.S 
TI  - Operating system 
SN  - 0-07-462129-7 
U1  - 005.43 GOD  
PY  - 2004///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - Operating systems
ER  -