TY  - BOOK
AU  - Ritchie,Colin
TI  -  Operating systems
SN  -  8176560197
U1  - 001.64 
PY  - 2006///
CY  - New Delhi
PB  - BPB Publications
KW  - Computer science
KW  - কম্পিউটার সায়েন্স
N1  - index include
ER  -