ZZ Saves and exits a vi session. Moves the cursor one character to the right. Moves the cursor forward to the beginning of the next sentence. H Moves the cursor to the top line of the screen. M Moves the cursor to the middle line of the screen.
L Moves the cursor to the bottom line of the screen.
CTRL-F Scrolls forward a screenful. CTRL-B Scrolls backward a screenful. A Places the text the user types after the last character on the current line. O Opens a blank line above the current line for inserting text. Opens a blank line below the current line for inserting text.