ESC - Leave insert mode to go into command mode
h, j, k, l - Move left, down, up and right respectively
i - go into insert mode at the current cursor position
a - go into insert mode to the right of the current cursor position
:w - to save the file
:q! - to close the file (quit)
w - move to the start of the next word
b - move to the start of the previous word
e - move to the end of the next word
A - insert at the end of the current line
I - insert at the start of the current line
v - enter visual mode (allows for selection of text) by moving around using h, j, k, l
x - delete the character at the current cursor position
X - delete the character to the left of the current cursor position
r - Replace character at the current position with new character. rb is equivalent to using x and then going into insert mode with i and typing in a b
o - Add a line after the current line and insert at the start of this new line
O - Add a line before the current line and insert at the start of this new line
$ - Go to the end of the current line without entering insert mode
0 - Go the the start of the current line without entering insert mode
dw - Delete a word
dd - Delete a line
yy - Copy a line
cw - Change a word to another word. Equivalent to doing a dw followed by an insert
p - Paste whatever was last copied/deleted
zz - Move the page such that the cursor position is at the middle of the visible window
zt - Move the page such that the cursor position is at the top of the visible window
zb - Move the page such that the cursor position is at the bottom of the visible window
% - Go to matching brace
gi - Go into insert mode at the position where insert mode was last active
u - Undo previous command
Ctrl-r - Redo previous command
. - Perform previous command again
f -
t -
F -
T -
/word - Find the occurance of "word" in the file
n - Go to the next occurance of a word in the file
N - Go to the previous occurance of a word in a file
V_u - Selecting something in visual mode and making the selected text lowercase
V_U - Selecting something in visual mode and making the selected text uppercase
V_~ - Selecting something in visual mode and flipping the case