TY  - BOOK
AU  - Bhatt, Pramod Chandra.
TI  - Introduction to operaing system : concepts and practice
SN  - 8120323068 
U1  - 005.43 
PY  - 1994///
CY  - New Delhi
PB  - Prentice Hall Of India
KW  - Computer programmingprograms data
ER  -