TY  - BOOK
AU  - Ritchie, Colin
TI  - Operating Systems incorporating UNIX & Windows 
SN  - 8176560197
U1  - 005.43 
PY  - 1998///
CY  - New Delhi
PB  - BPB Publication
KW  - Computer science
KW  - Operating Systems
KW  - System programmes
ER  -