Q. I am using Solaris UNIX. How can I start Oracle service / server in UNIX from a shell prompt?
A. In order to start Oracle service in UNIX you need to login as a Oracle user.
Use su - command to login as oracle user.
Start Oracle server in UNIX

Type the following command, enter:
Code:
$ su - oracle
Now use lsnrctl command to start service (usually located at /home/oracle/oracle/product/10.2.0/db_1/bin directory):
Code:
$ lsnrctl start
Next start database:
Code:
$ dbstart
Stop Oracle service in UNIX

To stop Oracle servuice type following two commands:
Code:
$ lsnrctl stop
Code:
$ dbshut