scroll-all-mode

scroll-all-mode is a variable defined in `scroll-all.el'.
Its value is

nil

Documentation:
Non-nil if Scroll-All mode is enabled.
See the command `scroll-all-mode' for a description of this minor mode.
Setting this variable directly does not take effect;
either customize it (see the info node `Easy Customization')
or call the function `scroll-all-mode'.

You can customize this variable.