TY  - BOOK
AU  - Ritchie, Collin.
TI  - Operating systems: incorporating UNIX & Windows 
SN  - 8176560197
AV  - QA76.76.O63 .R5 1998
PY  - 1998///
CY  - New Delhi
PB  - BPB Publications
KW  - Operating systems (computer)
N1  - Includes bibliographical references and index
ER  -