TY  - GEN
AU  - Deitel,Harvey M.
AU  - Deitel,Paul J.
AU  - Choffnes,David R.
TI  - Operating systems
SN  - 9788131712894
U1  - 004.451 DIE 
PY  - 2013///
CY  - Noida
PB  - Pearson
KW  - Operating systems (Computers)
N1  - Pearson Education International
ER  -