TY  - BOOK
AU  - Chopra, Rajiv
TI  - Operating systems: a practical approach, concepts, principles, system programming
SN  - 8121931649
U1  - 005.43 
PY  - 2010/// (2012 reprint)
CY  - New Delhi
PB  - S Chand 
KW  - Operating systems (Computers)
ER  -