However, as we shall see, it is easy to change to a different prompt if you wish. Create a separate sub-directory, say work, to hold data files on which you will use for this problem. This will be the working directory whenever you use for this particular problem. Start the program with the command R 3. Data which is saved will be available in future sessions.
Further sessions are simple.
When using under either the Macintosh or Windows the procedure to follow is basically the same. Create a folder or working directory. Then launch by double clicking on the appropriate icon. You may now commence your analysis and when you exit from you will be prompted to save the image in your working directory. To work on the same analysis at a later time simply double-click on the icon for the saved image.