Possible Duplicate:
Mathematica “prelude”

I'd like every plot to have a frame and Helvetica labels. I'm satisfied with

SetOptions[{Plot, ListPlot, ListLinePlot}, Frame -> True, FrameStyle -> FontFamily -> "Helvetica"];

except I have to type this line at the beginning of every new notebook. How can I have these options set by default every time I create a new notebook?


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