Current Personalities: 1 of 2 This is the main window for the MVS programmer. To the direct right of the title is the default extension. Below the title, the current directory is displayed. Whenever the program is initiated, the personalities residing in the current directory with the selected extension will be displayed. A reverse video bar indicates the default personality for some of the 2 of 2 available options. This bar can be positioned by using the cursor keys to move it around.