^p previous command
^n next command
^b backward one character
^f forward one character
^a beginning of line
^e end of line
^d delete next character
^h delete previous character
^w delete previous word
^k delete to end of line
^u delete to beginning of line
If the GUI is combined with a drawing area, the drawing area and the text area are placed in a pane widget. This provides the user a way to increase or decrease the size of the text area.