VI Tips

Command	Description
/	Search.n for next, N for previous
?	Search backwards
:%s/OLD/NEW/g	Replace all OLD with NEW
dgg	Removes all lines
:set ic	set case insesitive for search
:set ft=ruby	set syntax highlight for ruby
e	Go to end of the word
b	Go to the beginning of the word
0	Beginning of the line
$	End of the line
SHIFT + H	High - go to first line
SHIFT + M	Middle - go to the middle of the file
SHIFT + L	Low - go to the end of the file
O	New line below and start editing
SHIFT + O	New line above and start editing
SHIFT + C	Remove the line and start editing from the beginning
dw	Delete word
2dw	Delete 2 words
V	Visual mode. e and b select text. c change word, y copy, p paste
U	Undo
CTRL+R	Redo
:set paste	Set mode for pasting
SHIFT + D	Delete from cursor to end of line
:1,10d	Delete from line 1 to 10
:1,$d	Delete all lines
:%d	Delete all lines

Command	Description
:set tabstop=4	One tab=4 spaces
:set expandtab	Insert space even if pressed tab
:syntax on	Syntax highlight
:set nowrap	Do not wrap lines