Use and introduction of vim file editor

1.vim Installation

First, we open a terminal to input directly vim, If the computer is not installed vim You will be prompted to install through the following code vim, The code will prompt you on the screen , Enter the code and press enter to install , Now let's talk about the solution to the installation failure .

Generally speaking, if the installation fails, we only need to update the software source , The order is as follows ：

apt updata： Update standard software source perhaps apt -get updata： Update standard software source

After the update, install it through the code shown on the screen just now .

2.vim Introduction to the three modes of

Three models ： Command mode Insertion mode （ Edit mode ） Last row mode

Schematic diagram of direct mode switching ：

Aforementioned i,a,o What does that mean ？ Command mode conversion insert mode , We press on the keyboard i,i It means to insert at the current cursor , Now you can edit , Now let's explain .

2.1 Command mode Switch to Insertion mode

a // After entering the current cursor, start to insert

i // Enter the current cursor position and start editing

A // Enter to the end of the current cursor line to edit

I // Enter the line header of the current cursor line to edit

o // Enter the next line under the current cursor to edit

O // Enter a line on the current cursor to edit

Add ：x // Delete the character in the current position

Be careful ： If you can't remember , Just remember one i, Then go in and , Move through the direction key , Build all remember .

2.2 Switch from command mode to last line mode  

“：” // Setting and saving text

       w ： Save only

       wq： Save and exit

       x ： Equate to wq

       q： Just exit

       q! : Forced exit

       w newfile ： Save as

       set nu： According to the line Numbers    

       set nonu： Unlimited line number

       set hlsearch： Set the highlight of search results

       set nohsearch： Set search results not to highlight

For example, when we need to save and exit after editing the text , We need to press Esc Exit edit mode and enter command mode , Then input   ":wq" enter     This is to save the text and exit , Be careful , The colon here cannot be omitted .

 

“/” ： Full text drill down on this article string for example /QWE

“？” ： Full text up search string for this article string for example ？QWE

After searching , You can use commands ：n： Then repeat the last search command （ Use in last line mode ）

3.vim Common commands ：