Changing fonts, background color, or the visibility of line numbers

To change fonts, background color, or to show line numbers:

  1. Open the Text Editor preferences dialog by
  2. selecting Window > Preferences .
  3. In the left pane, select General > Editors > Text Editors .
  4. On the page, you can select Colors and Fonts at the bottom, or select other options, such as Appearance color options and Show line numbers.