ahhh found the answer myself... the answer is can't.
storyboards are inclusive of the xib... so the menu WON'T exist when i chose storyboard usage in creating the project.
to get this menu, i need to use the old method of project creating... by UNCHECKING "use storyboard" in the beginning.
article shows this :
xcode4.2 - Finding File Owner in Xcode 4.2 - Stack Overflow