Modify the backup script for NetBackup for Greenplum

The following procedure shows how to modify the backup script.

To modify the greenplum_backup.sh script

Copy the example script to the authorized location on your client.
Note: Do not save custom scripts in the samples directory. Subsequent NetBackup upgrades can overwrite your site's scripts.
Set the access permissions of the script to 770.
```
chmod 770 greenplum_backup.sh
```
Use a text editor to open the greenplum_backup.sh script.
The following example uses the vi(1) text editor.
```
vi greenplum_backup.sh
```
Locate the USER CUSTOMIZABLE VARIABLE SECTION and then customize the variables in the script as needed.
Save and close the file.
Test the script you modified.
See Perform a manual backup.

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