CTRL-E N CTRL-E window N lines downwards (default: 1)CTRL-D N CTRL-D window N lines Downwards (default: 1/2 window)CTRL-F N CTRL-F window N pages Forwards (downwards)CTRL-Y N CTRL-Y window N lines upwards (default: 1)CTRL-U N CTRL-U window N lines Upwards (default: 1/2 window)CTRL-B N CTRL-B window N pages Backwards (upwards)z<CR> z<CR> or zt redraw, current line at top of windowz. z. or zz redraw, current line at center of windowz- z- or zb redraw, current line at bottom of window