These keys move the cursor one line above, one line below, one space right, or one space left respectively. Moves cursor to next word. Moves cursor to last word. Moves cursor to the beginning of current line. Moves cursor to the beginning of the previous line.
Moves cursor to the beginning of the next line.
Moves cursor to the last line in the file. Moves cursor to the first line in the file. Moves back to the previous screen. Changes word under and to right of cursor to new text you enter. Changes current line to new text you enter.