You can redefine nearly all keyboard bindings, but the following defaults are just fine :
Resets the "Potato" area
Opens an existing tuberling file from the museum or from somewhere else if you wish.
Saves your creation to the museum, or to somewhere else if you wish. The tuberling is saved to a low weight file where only the position of objects are saved.
Prints your picture (PostScript (TM) format).
Quits KTuberling.
Copies the potato area as a picture to the clipboard.
Undoes last operation.
Re-does last operation. (This key binding is not redefinable).
Displays this handbook.