How can i reset my macbook to original settings?

i am giving my old macbook (2008; running 10.5.8) to my son and am wondering how i can clear out all the information and reset it to factory original.

Prepare Your Mac for Sale
Boot from the Leopard Installer Disc.  After the installer loads select your language and click on the Continue button.  When the menu bar appears select Disk Utility from the Utilities menu.  After DU loads select the startup volume from the left side list then click on the Erase tab.  Set the format type to Mac OS Extended (Journaled) then click on the Security Options button.  Select the one pass Zero Data option and click on the OK button.  Then click on the Erase button.
Note: You can skip the Zero Data option if you are not concerned about removing sensitive personal data from the hard drive.  If you choose to skip this part of the process then it is possible for others to recover data from the hard drive.  The Zero Data procedure will prevent others from getting access to your personal information.
This process will take 30 minutes to several hours depending upon the size of the hard drive.  After formatting has completed quit DU and return to the installer.  Now complete the OS X installation.  At the completion of the installation do not restart the computer.  Instead just shut it off.  The next user will be presented with the Setup Assistant when they turn on the computer just as it would if new out of the box.

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    çağrı şahaplıoğlu wrote:
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    noodetcha wrote:
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  • How can i reset the macbook pro

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    tamerfromwinston salem wrote:
    my macbook pro mid 2009 has completely stopped booting up, i need to reset it somehow, i know there is a key combination to do so but i don't know it, can anyone help me with that.
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