[ORACLE HOME]/jdbcoci73/classes
It places the shared library files into the following directory:
[ORACLE HOME]/jdbcoci73/lib
The installer does not set the CLASSPATH and LD_LIBRARY_PATH environment variables. You must do so explicity. Set LD_LIBRARY_PATH to include [ORACLE HOME]/jdbcoci73/lib, and set CLASSPATH to include [ORACLE HOME]/jdbcoci73/classes.
[ORACLE HOME]\JDBCO73\CLASSES
It places the shared library, OCI73JDBC.DLL, into the following directory:
[ORACLE HOME]\BIN
The installer does not set the CLASSPATH and PATH environment variables. You must do so explicity. Set PATH to include [ORACLE HOME]\BIN, and set CLASSPATH to include [ORACLE HOME]\JDBCO73\CLASSES.