Best Vi Editor commands

Cursor Movement
h       move left (backspace)
j       move down
k       move up
l       move right (spacebar)
[return]   move to the beginning of the next line
$       last column on the current line
0       move cursor to the first column on the 
current line
^       move cursor to first nonblank column on the
current line
w       move to the beginning of the next word or 
punctuation mark
W       move past the next space
b       move to the beginning of the previous word 
or punctuation mark
B       move to the beginning of the previous word,ignores punctuation
        e       end of next word or punctuation mark
        E       end of next word, ignoring punctuation
        H       move cursor to the top of the screen 
        M       move cursor to the middle of the screen
        L       move cursor to the bottom of the screen 
Screen Movement

       G        move to the last line in the file
       xG       move to line x
       z+       move current line to top of screen
       z        move current line to the middle of screen
       z-       move current line to the bottom of screen
       ^F       move forward one screen
       ^B       move backward one line
       ^D       move forward one half screen
       ^U       move backward one half screen
       ^R       redraw screen  does not work with VT100 type terminals )
       ^L       redraw screen 
( does not work with Televideo terminals )
Inserting
       r        replace character under cursor with nextCharacter typed
       R        keep replacing character until [esc] is hit
       i        insert before cursor
       a        append after cursor
       A        append at end of line
       O        open line above cursor and enter append mode
Deleting
x       delete character under cursor
dd      delete line under cursor
        dw      delete word under cursor
        db      delete word before cursor
Copying Code
        yy      (yank)'copies' line which may then be put bythe p(put) command. Precede with a count formultiple lines.
Put Command
        brings back previous deletion or yank of lines,
words, or characters
        P       bring back before cursor
        p       bring back after cursor
 Find Commands
?       finds a word going backwards
/       finds a word going forwards
        f       finds a character on the line under thecursor going forward
        F       finds a character on the line under thecursor going backwards
        t       find a character on the current line goingforward and stop one character before it
T       find a character on the current line goingbackward and stop one character before it
; repeat last f, F, t, T
Miscellaneous Commands
. repeat last command
u undoes last command issued
U undoes all commands on one line
xp deletes first character and inserts aftersecond (swap)
J join current line with the next line
^G display current line number
% if at one parenthesis, will jump to its mate
mx mark current line with character x
'x find line marked with character x
NOTE: Marks are internal and not written to the file.