TY  - BOOK
AU  - Deitel, Harvey M.
AU  - Deitel, Paul J.
AU  - Choffnes, David R.
TI  - Operating systems
SN  - 9788131712894
U1  - 005.43 
PY  - 2009///
CY  - New Delhi
PB  - Pearson Education
KW  - Computer Science Engineering
ER  -