VIM tutorial

Basic commads

i	go to insert mode (at cursor position)
I	start editing at the beginning of the line
o	go to insert mode on a new line bellow
O	go to insert mode on a new line above
A	insert at the end of the line
ESC	go to command mode
:wq	write and quite
:q	quite
:q!	quite discarding changes
:12	go to line 12
:$	go to the end of file
$	go to the end of line
^	go to the beginning of the line
0	same as above
yy	copy current line
3 yy	copy three lines
dd	cut current line
p	paste
J	join lines
/robert	search for the word "robert"
n	next occurrence
?robert	search for "robert" in reverse order
u	undo
.	repeat last modification operation
cw	change word
x	delete backwards
w	skip to next word
5w	skip five words
b	skip to the previous word
)	skip to next sentence
(	skip to previous sentence
dw	delete word at the right
db	delete word at left
das	delete current sentence

More complex stuf

:1,$s/robert/Robert/	from the begining of the file (1) to the end of file ($) search and replace (s) robert with Robert once per line
:1,$s/robert/Robert/g	similar with the oneup but global (g) replaces all occurences not one per line
:1,$s/robert/Robert/i	similar with the first one but makes search case insensitive
:3,5d	delete from line 3 to line 5
:1,$g/robert/d	delete all occurences of "robert" from beginning to the end of file
:1,.g/robert/d	delete all occurences of "robert" from beginning to the current position

Set commands

:se nu	turn on line numbers
:se nonu	turn off line numbers