Vim模式

Normal mode:

i: insert before character

a: append after character

o: open a new line below

I: insert before line

A: append after line

O: open a new line above 

gi: to to last edit

 

Visual mode:

v: characters select

V: line select

Ctrl + v: block select

 

Command line mode:

:wq  save and quit

:%s/old/new/g   replace old string to new string in entile file

:s/old/new/g  replace old string to new string in current line

Ctrl + a: move to start of line

Ctrl + e: move to end of line

 

Insert mode:

Ctrl + h: delete last character, similar to bacspace

Ctrl + w: delete last word

Ctrl + u: delete line