TY  - BOOK
AU  - Dhayagude, M
TI  - Operating system: a concept -based approach
SN  - 0-07-061194-8
U1  - 005.42 
PY  - 2009///
CY  - New Delhi
PB  - Tata Mcgraw Hill
KW  - Computer EngineeringInformation Technology
ER  -