TY  - BOOK
AU  - Bach,Maurice J .
TI  - The design of the UNIX operating system
SN  - 8120305167
AV  - QA76.76 .O63B33 1998
U1  - 005.43 
PY  - 1998///
CY  - New Delli
PB  - Prentice hall
KW  - Unix (
KW  - Computer file)
ER  -