How do I remove all the personal data from macmini

[dc52e55]

Hello,

I am returning my Macmini base version because I just got the one with the graphic card.

I tired searching but I can't find the info on how to remove, and reinstall OS on the macmini 2011.

Please help.

 

[dc52e55]

lol. I think i just found it.

http://www.apple.com/macosx/recovery/