How Do I Connect to Sqlplus as Sysdba in Linux?

How do I connect to Sqlplus on Linux?

Do the following steps to start SQL*Plus and connect to the default database:

1. Open a UNIX terminal.
2. At the command-line prompt, enter the SQL*Plus command in the form: $> sqlplus.
3. When prompted, enter your Oracle9i username and password. …
4. SQL*Plus starts and connects to the default database.

How do I login as Sysdba?

To connect as SYSDBA using OS authentication:

1. Do one of the following: On Windows: Log in to the Oracle Database XE host computer as a user who is a member of the ORA_DBA user group. …
2. Do one of the following: …
3. At the SQL Command Line prompt, enter the following command: CONNECT / AS SYSDBA.