[ vi Commands ]

vi : a(append) i(insert) :w :wq :q :q!　Esc

:r xxxxxx : insert file xxxxx after current cursor
:xxx r yyyyyy : insert file yyyyyy after line xxx

jhkl	Dwn Left Up Right
Ctrl + l	Delete Command Log
x or X	Delete Character
dd	Delete Line
xxxdd	Delete xxx lines
y$	Copy cursor position to EOL
p	Paste under cursor line
P	Paste above cursor line
yy	Copy Line
xxxyy	Copy xxx Lines
A	Add after EOL
a	Insert after cursor
R	Replace from the current cursor position
O	Insert line above cursor line
o	Insert line berow cursor line
0	Move cursor to head of line
$	Move cursor to EOL
c$	Change from cursor to EOL
d$	Delete from cursor to EOL
.	Repeat previous change
u	Undo previous change
/	Search forward
n	Search forward again
?	Search backward
N	Search backward again