/     search forward for a string 
  ?	search backward for a string
  D     Delete the rest of the current line.
  J     Join two lines.
  P     Put the yank/delete buffer before the current cursor position.
* x     Delete the character under the cursor.
  X     Delete one character before the cursor.
* ZZ    Exit from the editor, saving changes if necessary.
* u     Undo the last edit.
  p     Put the yank/delete buffer after the cursor.
  s     Replace characters.
  r     Replace a character.
  m     Set a mark at the current position (e.g. ma or mb).
  z     Redraw the screen with the current line at the top (zRETURN),
        the middle (z.), or the bottom (z-).