My Vim Cheat Sheet

:help [keyword] # show help
:o [file] # open file

:set number # show line number
:set nonumber # hide line number

u # undo
<C-r> # redo

<C-c> / <C-[> / <Esc> # exit to the normal mode

:w # write file
:w [file] # write to file
:wq [or] :x # write & quit
:q # quit
:q! # quit without saving

:w !sudo tee % # write out the current file with root permission
# w - save the buffer as
# tee - redirect output to files and/or to standard outputs
# % - the current file

h # move cursor left
j # move down
k # move up
l # move right
<sapce> # move cursor rightwards through lines
2k # move up 2 lines
- # move cursor to the beginning of the previous line

H # move to the top of screen
L # move to the bottom of screen
3L # move to the last third line of screen
<C-b> # page up
<C-f> # page down
<C-u> # move cursor up half page
<C-d> # move cursor down half page

z <Enter> # move current line to the top of screen
zz / z. # move current line to the centre of screen
z- # move current line to the bottom of screen

G # move to the end of file
gg # move to the top of file
3G/3gg # go to line 3

( # jump backward to the start of this block or to the end of the previous if the cursor is already at the start
) # jump forward to the end of this block or to the start of the next if the cursor is already at the end
{ # jump to the previous paragraph/block
} # jump to the next paragraph/block

0 # jump to the beginning of a line
^ # jump to the first non-blank character of a line
$ # jump to the end of a line

# uppercase of the following commands means the word contains punctuation
w/W # jump forward to the start of next word 
e/E # jump forward to the end of a word
b/B # jump backwards to the start of a word
2w # jump forward 2 times to the start

% # move to the matching character, eg, () {}

/chars # search the corresponding characters
n # find next
N # find previous
fx # jump to the next character `x` in the current line
Fx # jump to the previous character `x` in the current line
; # repeat the above movement
, # repeat the above movement backwards

yl/y<space>/vy # yank current character
yy # copy a line
ye # yank from current to the end of the word (including the end)
yw # yank from current to the start of the next (without the next word)
dd # cut a line
D/d$ # cut to the end of a line
p # paste after cursor
P # uppercase: paste before cursor
x # cut a character
2dd # cut 2 lines

r # replace a character
s # substitute: delete a character and switch to insert mode
cw # change (delete) to the end of the word and switch to insert mode
ciw # delete the current word and switch to insert mode
S/cc # clear the current line and switch to insert mode
J # join line below to current with one space in between

i # insert
a # append: insert after cursor
I # insert at the beginning of a line
A # insert at the end of a line

o # open a new line below the current line
O # open a new line above the current line

v # visual
V # visualize a line
`Ctrl`+v # visualize block
aw # (mark) a word
o/O # switch between the ends of marked area

y # yank marked text
d # cut marked text
c # delete marked text and switch to insert mode
~ # switch case

gd # go to definition

gc # toggle line comment
gcc gc<space> gcl # toggle line comment for the current line
gc2j # toggle line comment for the current and the next two lines

gC # toggle block comment
(gC) # toggle comment for the current block
gCi) # comment out what's inside parenthesis

gb # multi-cursor mode, add cursor on the next same word

$ # move cursor to the end of this line
% # move to the matching character, eg, () {}
^ # move cursor to the first non-blank character of this line
0 # move cursor to the beginning of this line
- # move cursor to the beginning of the previous line
/ # find pattern