How to Change the position of the Restore / Max / Close buttons on windows in ubuntu 9.04 , 9.10 , 10.04

Many you might have already seen that the position of the buttons on the window decorated had been left justified in ubuntu 10.04.
Actually it is very easy to change the justification.

1. Press Alt+F2 and type in

gconf-editor2. Navigate to
app->metacity->generaldouble click the "button_layout" option and change it to "menu:maximize,minimize,close"
rather than "minimize,maximize,close:menu