As far as I know, by default Ubuntu uses a font called "Ubuntu Font Family". This font can be installed from the "ttf-ubuntu-font-family" package.
Then you can set your applications to use it from System > Preferences > Appearance > Fonts.
As far as I know, by default Ubuntu uses a font called "Ubuntu Font Family". This font can be installed from the "ttf-ubuntu-font-family" package.
Then you can set your applications to use it from System > Preferences > Appearance > Fonts.