The Code Editor Window

When you open a file in the Code Editor, the text of the file is displayed according to the settings established in the Tools > Options interface under Code Editor > Format. In addition, the editor's title bar lists, by default, the full path and file name of the open file, and a ruler bar indicates each column and tab stop. You also have the option of displaying two additional information areas: one that lists line numbers and one that shows where you've placed bookmarks in your code.

All of these options are configured through the View menu: