scroll (up|down|left|right) ?-w win? ?-page? ?amount?
Scroll the current pane of a document window in the specified direction. If the
-page option is specified, the command scrolls by a full page's width or height worth. Otherwise, the scrolling quantity is equal to the default line height when moving vertically or the default horizontal scroll amount when moving horizontally. The count argument is an integer to multiply the scrolling amount. Its default value is 1.