TY  - BOOK
AU  -  Tanenbaum,Andrew S.
TI  - Modern 3e operating system
U1  - 005.43/TAN/M 
PY  - 2008///
CY  - New Delhi
PB  - PHI Learning 
KW  -  Operating systems-Modern 3e
KW  -  Operating systems-Computer
KW  - System software
ER  -