VI

Moving the cursor

command	Description
h	move left
j	move down
k	move up
l	move right
0	move to the beginning of the line
$	move to the end of the line
gg	move to the beginning of the file
G	move to the end of the file
{	move up one paragraph
}	move down one paragraph

Editing text

command	Description
i	insert text before the cursor
a	insert text after the cursor
o	insert a new line below the current line and switch to insert mode
O	insert a new line above the current line and switch to insert mode
x	delete the character under the cursor
dd	delete the current line
yy	copy the current line
p	paste the copied or deleted text after the cursor
P	paste the copied or deleted text before the cursor
u	undo the last change

Saving and exiting

command	Description
:w	save the file
:q	quit the editor
:wq	save and quit the editor
:q!	quit without saving changes

Searching

command	Description
/pattern	search forward for a pattern
?pattern	search backward for a pattern
n	find the next occurrence of the pattern
N	find the previous occurrence of the pattern

Other useful commands

command	Description
:set number	display line numbers
:set nonumber	hide line numbers
:set tabstop=4	set the tab width to 4 spaces
:set ignorecase	ignore case when searching
:set noignorecase	do not ignore case when searching
:help	open the help system