常用VI操作命令

# ------------------- VI basic -------------------------------

# file name: VI_basic
# author   :
# date     : 2014-3-25
# contact  : QQ :
#            email :
# summary  : VI editor operation for programming

# ------------------- VI basic -------------------------------

# ------ summary ---------------------------------------------
vi is an powerful file editor for programming in Linux OS.
vim       : vi improved
gvim      : GUI of vi
two mode  : editing and command mode
.vim      : highligh word file
.vimrc    : configuration file of VI

# ------ file operation -----------------------------------------

# ------ open a file -----------
vi file_name   : open a file for editing on a terminal
vim file_name  :
gvim file_name : gvim is a GUI of vi

# when open a file , vi is in insert mode by default

:i     : go to insert mode
esc   : go to command mode
:w     : write into the file (save)
:q     : quit vi
:q!    : force to quit and abort the modification
:wq    : save and quit

# ----- move cursor ------------
->/<-     : left/right/up/down
h|j|k|l   : h(left)| j(down) | k(up) l (right)
          : 3h | 4j | 5k | 6l
:w        : move forward one word eg. 3w
:b        : move backward one word eg. 4b
:$        : move to the end of a line
:^|0      : move to the beginning of a line
# ---------------------------

:gg          : go to the first line
:G           : go to the last line
:nG          : go to n line eg. 1G
:set nu      : set number line
:set nonu
CTRL + G    : display the current line and total numbers of lines
CTRL + U    : page up
CTRL + D    : page down

# ----- delete copy and paste -----

d=delete, y=copy, p=paste

:dd       : delete a line eg. 5dd
:dw       : delete a word eg. d3w
:d0       :
:d$       : delete to end of line

:yy       : copy a line et. 5yy
:yw
:y0
:y$
:Y        : copy
:5,10y    : copy 5 ~ 10 line
:,10y     : copy cursor ~ 10 line
:5,y      : copy 5 ~ cursor line

:p        : paste

:.        : repeat last operation 

:x        : delete a character eg. 3x

# ------ undo the editing  ----
:u|U      : undo
:CTRL+R   : need the modification

# ------ insert cursor -------------------
a|A       : after the cursor | end of a line
o|O       : input one new line under the current line | up the current line
:help a   : 

# ------ search  ---------------------
:/pattern : go to the pattern
          : n|N
:?pattern :
SHIFT + * : match the word marked cursor
:number_line : go to the number line

# ----- replace -----------------------
:r|R          : replace
:%s/x/y/g     : x change to y all of them
:s/x/y/g      : x change to y on the current line
:10,23s/x/y/g : 

# ----- special operation ------------------
:sp       : splite horizontally ; put some files into one terminal
CRTL + WW : change file in splite command
:ZZ|q     : quit a splite file

:set diff : compare two files
:vsp      : visual splite vertically
CRTL + WW : 

CRTL + V  : visual mode
          : d|D , y|Y, r | R 

gf        : go into file
CRTL + O  : return the original file 

# ------ other command -------------------
:.    		: repeat last operation
:J        : Merge the under line and the current line eg. 3JA
:r        : replace
:~        : change case-sensitive character 

# ----- auto complenment ----------------