- One . About vim Editor
- Two .vim Editor Mode
- 3、 ... and . Basic operations in general mode
- Four .V Pattern （ Column mode ） Basic operation of
- 5、 ... and . Basic operations in command mode
- 6、 ... and . Customize vim Environmental Science
- 7、 ... and .vim Open multiple files at the same time
- 8、 ... and . Compare the contents of the two files
One . About vim Editor
Vim Is a similar to Vi The famous and powerful 、 Highly customizable text editor , stay Vi Many features have been improved and added .VIM It's free software .vim Can be viewed as
vi Updated version of , He can display special information in a variety of colors .
[root@node5 ~]# rpm -qf `which vim` vim-enhanced-7.4.160-5.el7.x86_64 [root@node5 ~]# rpm -qf `which vi` vim-minimal-7.4.160-2.el7.x86_64 # You can see from the output ,vim yes vi Added version of , The most obvious difference is vim Grammar can be highlighted , It's fully compatible vi
Two .vim Editor Mode
1.vim The editor has three modes , The first entry is in general mode , In the lower left corner “Insert” It's editing mode , Input ： It's command line mode .
- How to switch from edit mode to command line mode ？ Edit mode ->esc-> General pattern ->: -> Command mode
- How does general mode enter editing mode ？ Press a or i or o or A or I or O
2. summary ：vim How to enter other modes ？
- a A o O i I All of them can be inserted , Edit mode
- ： Enter command line mode
- v Enter visual mode
- ctrl+v Enter visual block mode
- V Enter visual line mode
- R erase 、 rewrite , Go to replace mode
- When you enter the above mode , Want to quit , Press esc
3、 ... and . Basic operations in general mode
i Insert... Before the current character ( In front of the cursor ) I Insert... At the beginning of the line ( Head of line ) a Insert... After the current character ( After the cursor ) A Insert at the end of the line ( At the end of the line ) o Insert... In the next line ( Another line ) O Insert... In the previous line ( Insert... In the previous line ) x Delete one character back Equate to delete X Delete a character forward u Undo one step Cancel every time you press r Replace , "r" Command is not an operator command . It waits for you to type the next character to replace the character under the current cursor ."r" A command count before a command is to replace multiple characters with the character to be entered . To replace a character with a newline character, use "r". It will delete a character and insert a newline character . Using command counting here will only delete the specified number of characters ："4r" Will put 4 Replace characters with a newline character . # Cursor positioning hjkl Lower left, upper right 0 and home Key to switch to the beginning of the line , $ and end Key to switch to end of line gg Quickly navigate to the first line of the document , G Go to no line 3gg perhaps 3G Fast track to 3 That's ok /string( character string ) ----- Find or locate the word or content you are looking for , If there are more matches , We can go through N、n To search up and down , also vi Will highlight what you find , Cancel using :noh /^d ----^ What does the meaning begin with ,, Look for letters d Content at the beginning /t$ -----$ What is the end of meaning ,, Look for letters t Ending content vim + a.txt After opening the file , The cursor will automatically be on the last line of the file # Edit the text # Delete 、 Copy 、 Paste 、 revoke y Copy （ In characters ）： Means to copy a single character , If you want to copy the whole line , use yy（ Behavior unit ）,"y" The operator command copies the text to a register 3 in . And then you can use "p" Order it back . because "y" It's an operator command , So you can use "yw" To make a copy of word. You can also use the command to count . In the following example "y2w" Command to copy two word,"yy" Command to copy a whole line ,"Y" It's also copying the entire line , The command to copy the current cursor to the end of a line is "y$". Copy N That's ok ： Nyy , such as ： 2yy , Represents replication 2 That's ok dd（ Delete , Behavior unit , Delete the current cursor line ） Delete N That's ok ： Ndd , such as ： 2dd , Said to delete 2 That's ok p ： P Paste shear ： dd x Deletes the character where the cursor is located D Delete from cursor to end of line u Cancel the operation ctrl+r Restore undone operations , Restore the undo operation back to , That is to say, what is it like before the cancellation , What would it look like again r Replace , Or to modify a character , "r" Command is not an operator command . It waits for you to type the next character to replace the character under the current cursor ."r" A command count before a command is to replace multiple characters with the character to be entered . To replace a character with a newline character, use "r". It will delete a character and insert a newline character . Using command counting here will only delete the specified number of characters ："4r" Will put 4 Replace characters with a newline character .
Four .V Pattern （ Column mode ） Basic operation of
1. Get into v Pattern Move the cursor to select the area , The steps of making multi line comments when programming ：
- ctrl+v Enter column edit mode
- Move the cursor down or up , Put the need to comment on 、 Select the beginning of the edit line
- If you need to delete , Just type x Key to delete
- If you want to add content , Just press in capitals I
- Then insert the comment or the symbol you need to insert , such as "#"
- Press again Esc, It's all annotated or added
2. Delete ： Press again ctrl+v Enter column edit mode ; Move the cursor down or up ; Select the comment section , Then press d, It will delete the comment symbol .
5、 ... and . Basic operations in command mode
:w preservation save :w! Force save :q No changes have been made , sign out quit :q! Revised , Do not save , Forced exit :wq Save and exit :wq! Force save and exit :x Save and exit # Call an external file or command hypothesis : I want to write to my network card MAC Address , I want to check , The current in vim Edit document , Copywriting . It's so troublesome . Operate in command line mode ： :!ifconfig Invoking system commands !+ command Read other files .（ Append the contents of other files to the current document ） :r /etc/hosts # Text substitution # Format : Range ( among % All contents ) s Separator Old content Separator New content ( Separators can be customized ) # Default is the first qualified word in each line (/g All ) :1,3 s/bin/xuegod # Replacement section 1 To 3 The first one in the line bin Replace with xuegod :1,3 s/bin/xuegod/g # Replacement section 1 To 3 Find all the bin Replace with xuegod :3 s/xue/aaaaa # Just put the 3 The line is replaced by :% s/do/xuegod/g # Put all the do Replace with xuegod :% s/do/xuegod/gi # Put all the do Replace with xuegod, And ignore do The case of :% s@a@b@g # Put all the a Replace with b
6、 ... and . Customize vim Environmental Science
You can customize it according to your preference vim Environmental Science .
# Temporary settings vim Environmental Science :set nu # set nu :set nonu # Unset line number :noh # set nohlsearch # Permanent settings vim Environmental Science [root@node5 ~]#vim /etc/vimrc # After setting, it will affect all users of the system [root@node5 ~]#vim ~/.vimrc # In the user's home directory , Create a .vimrc. This only affects one user , I didn't build one myself example ： [root@node5 ~]# cat /root/.vimrc set nu
7、 ... and .vim Open multiple files at the same time
1. Above and below , Open two documents , Use ctrl+ww Switch editing between two documents
# Lowercase o Split up and down [root@node5 ~]#vim -o /etc/passwd /etc/hosts
2. Open two documents left and right , Use ctrl+ww Switch editing between two documents
# Capitalization O Left and right split screen [root@node5 ~]#vim -O /etc/passwd /etc/hosts
8、 ... and . Compare the contents of the two files
There are two ways to compare the contents of two files ：diff and vimdiff.
[root@node5 ~]#cp /etc/passwd mima.txt [root@node5 ~]#echo aaa >> mima.txt [root@node5 ~]#diff /etc/passwd mima.txt 40a41 > aaa [root@node5 ~]#vimdiff /etc/passwd mima.txt