TY  - BOOK
TI  - Operating system concepts 
SN  - 9789812533180
AV  - QA 76.73.J38  .Si545 2010
PY  - 2010///
CY  - New York : 
PB  - John Wiley & Sons, 
KW  - Operating systems (computers)
N1  - IT
ER  -