CTRL+UP, CTRL+W
Mlines
Scrolls the window down as specified by the Vscroll switch.
Arg Mlines (ALT+A CTRL+UP)
Scrolls the window so the line at the cursor moves to the bottom of the window.
Arg number Mlines (ALT+A number CTRL+UP)
Scrolls the window down by number lines.
TrueWindow scrolled.
FalseInvalid argument.
Plines