At user level 1,
give file name, status, current line number
and relative position.
At user levels 2 and higher, abort the current command.
Give file name, status, current line number and relative position—all user levels.
Refresh the screen.
Expose <count> more lines at bottom, cursor stays put (if possible).
Expose <count> more lines at top, cursor stays put (if possible).
Scroll <count> lines downward (default the number of the previous scroll; initialization: half a page).
Scroll <count> lines upward (default the number of the previous scroll; initialization: half a page).
<count> pages forward.
<count> pages backward (in older versions C-b only works without count).
Put line <count> at the top of the window (default the current line).
Put line <count> at the bottom of the window (default the current line).
Put line <count> in the center of the window (default the current line).