TY  - BOOK
AU  - Bhatt, Pramod Chandra, P 
TI  - Introduction to operating systems 
SN  - 81-203-3258-4 
U1  - 005.43 BHA  
PY  - 2007///
CY  - Prentice hall of india 
PB  - New Delhi 
KW  - Operating systems
ER  -