This should have scrolled the screen up by 8 lines. If you would like
to scroll it down again, you can give an argument to M-v.
-If you are using X11, there should be a tall rectangular area
-called a scroll bar at the left hand side of the Emacs window. You
-can scroll the text by clicking the mouse in the scroll bar.
+If you are using a windowed display, such as X11 or MS-Windows, there
+should be a tall rectangular area called a scroll bar at the left hand
+side of the Emacs window. You can scroll the text by clicking the
+mouse in the scroll bar.
>> Try pressing the middle button at the top of the highlighted area
within the scroll bar. This should scroll the text to a position