Tài liệu Oracle9i Installation Guide phần 7

Automating Database Startup and Shutdown for HP, Linux and Solaris (Optional)
Oracle Corporation recommends that you configure your system to automatically
start Oracle databases when your system starts up, and to shut down Oracle
databases when your system shuts down. Automatic database startup and
shutdown protects against improper shutdown of the database.
The dbstart and dbshut scripts are located in the $ORACLE_HOME/bin directory
and can be used to automate database startup and shutdown. The dbstart and
dbshut scripts reference the same entries in the oratab file, so the scripts must
apply to the same set of databases. For example, you cannot have the dbstart
script automatically start up databases sid1, sid2, and sid3, and the dbshut
script shut down only databases sid1 and sid2. You can, however, specify that the
dbshut script shut down a set of databases while the dbstart script is not used at