## 2.2 Accessing the Tutorials

Tutorials I and II are both on line and can be accessed in one of three ways:

- Start Data Explorer with the command:

      dx

  then click on `Run Tutorial` in the Data Explorer Startup window (see Figure 2).. (It is assumed for the rest of the tutorial that this is the method you have used.)
- Start Data Explorer with the command:

      dx -tutor

- Choose `Tutorial` in the Help menu of the Visual Program Editor.

In the Tutorial window, you can:

- Directly access any topic, subtopic, subsubtopic, or related item that is "boxed", simply by clicking on the boxed area.
- Scroll through information that extends beyond the length of the window (using the vertical scroll bar on the right side of the window).
- Return to a topic that you have viewed during the current session, by moving the mouse cursor into the tutorial window and holding the right-hand mouse button: A list of the topics you have viewed appears. While holding the mouse button, move the pointer to the desired topic in the list and release the button.
- Return to the previous topic, by clicking on `Go Back` at the bottom of the tutorial window.
- Exit the tutorial by clicking on `Quit` at the bottom of the tutorial window.

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