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3.15 Running the rootpre.sh Script

You must run the rootpre.sh script before you start the installation on IBM AIX on POWER Systems (64-Bit).

Use the following procedure to run the rootpre.sh script:

Note:

Do not run the rootpre.sh script if you have a later release of the Oracle Database software installed on this system.

Switch the user to root:
```
$ su - root
password:
#
```
Complete one of the following steps, depending on the location of the installation files:
1. If the installation files are on a disc, enter a command similar to the following,
```
# /directory_path/rootpre/rootpre.sh 
```
  directory_path is the disc mount point directory or the path of the db directory:
2. If the installation files are on the hard disk, change the directory to the location where rootpre.sh exists and enter the following command:
```
# ./rootpre.sh
```
Exit from the root account:
```
# exit
```