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Vi Commands
#1
Wink 
h
----move cursor one character to left
j
-----move cursor one line down
k
-----move cursor one line up
l
------move cursor one character to right
w
-----move cursor one word to right
b
-----move cursor one word to left
0
-----move cursor to beginning of line
$
-----move cursor to end of line
nG
---move cursor to line n


control-f
-----scroll forward one screen
control-b
----scroll backward one screen


i
-----insert to left of current cursor position (end with ESC)
a
---------append to right of current cursor position (end with ESC)
dw
--------delete current word (end with ESC)
cw
-------change current word (end with ESC)
r
-------change current character
̃-
------change case (upper-, lower-) of current character


dd
------delete current line
D
-------delete portion of current line to right of the cursor
x
-------delete current character
ma
----mark currrent position
d‘a
----delete everything from the marked position to here
‘a
------go back to the marked position
p
-------dump out at current place your last deletion (‘‘paste’’)
u
-------undo the last command
.
-----repeat the last command


J
-------combine (‘‘join’’) next line with this one
:w
-----write file to disk, stay in vi
:q!
-----quit VI, do not write file to disk,
ZZ
-----write file to disk, quit vi
:r
-------filename read in a copy of the specified file to the current buffer


/string
------search forward for string (end with Enter)
?string
-----search backward for string (end with Enter)
n
-------------repeat the last search (‘‘next search’’)


:s/s1/s2
------------replace (‘‘substitute’’) (the first) s1 in this line by s2
:lr/s/s1/s2/g
------replace all instances of s1 in the line range lr by s2 (lr is of form ‘a,b’, where a and b are either explicit
line numbers, or . (current line) or $ (last line)


:map k s
---------map the key k to a string of vi commands s (see below)
:abb s1 s2
------expand the string s1 in append/insert mode to a string s2 (see below)


%
------------------go to the "mate," if one exists, of this parenthesis or brace or bracket (very useful for programmers!)
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