How to Remove All Documents Permanently From a MacBook Hard Drive Using Mac OS X

Open a new Finder window by clicking on the 'Finder' icon in the dock.
Highlight the 'Documents' directory from the 'Places' list on the left side of the window.
Drag and drop the entire 'Documents' directory to the 'Trash' icon at the far right end of the dock.
Open the 'Finder' menu at the top of the screen and choose the 'Secure Empty Trash' option.
Click 'OK' to confirm your decision to permanently delete the data in the Documents folder from your MacBook's hard drive.
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