TY  - BOOK
AU  - Deitel, Harvey  M. and Deitel, Paul J. and Choffnes, David R.
TI  - Operating System
SN  - 9788131712894
U1  - 005.43 
PY  - 2025///
CY  - New Delhi
PB  - Pearson Education
KW  - Computer Diploma
ER  -