26.16 Menu Bars
You can turn display of menu bars on or off with M-x
menu-bar-mode or by customizing the variable
With no argument, this command toggles Menu Bar mode, a
minor mode. With an argument, the command turns Menu Bar mode on if the
argument is positive, off if the argument is not positive. You can use
the X resource ‘menuBarLines’ to control the initial setting of
Menu Bar mode. See Resources.
Expert users often turn off the menu bar, especially on text-only
terminals, where this makes one additional line available for text.
If the menu bar is off, you can still pop up a menu of its contents
with C-Mouse-3 on a display which supports pop-up menus.
See Menu Mouse Clicks.
See Menu Bar, for information on how to invoke commands with the
menu bar. See X Resources, for how to customize the menu bar