Command for icon and text enlargement

[some_other-guy]

I need a command to enlarge icons and text, and a command to reset their size to default, as I switch between couch and desk gaming. No need for hotkey, I can figure that out.
Much appreciated.

 

[Paul NZ]

Change the font

 

[some_other-guy]

I need a cmd file so I can create a hotkey for both things I have listed.