Macintosh

1. In the Dock, click on "System Preferences".

2. Now click on the "Accounts" icon.

3. The Accounts area is locked by default. To unlock the accounts and make changes, click on the Lock.

4. If your main account requires a password, you will have to enter it now. Click OK when done.

5. Click the + icon under the Login Options.

6. Enter the name (in this case, postgres), password and password hint for the new account.

7. Do not turn on the "Allow User To Administer This Computer" option .

8. Enter all of the required information and click "Create Account" when you are finished.