geditのデフォルトのフォントを変更する:
Select gedit
Preferences
Font & Colors.
Uncheck the box next to the phrase, "Use the system fixed-width
font."
Click on the current font name. gedit will open
a font-chooser window, allowing you to see available fonts and choose the
one that you prefer.
After you have chosen a new font, use the slider
under the list of fonts to set the default font size.
選択をクリックして閉じるをクリックします。