day17-Editor Vim

5.1:vi and Vim:

Vim is a text editing tool for all Linux systems, the same as with Windows Notepad, used to manipulate and edit files:

Vim is an upgraded version of VI, VIM (will display font color): VI (no color is displayed)

1, the installation of Vim :yum install-y vim-enhanced

2. Configuration file:

/ETC/VIMRC #全局配置文件

/HOME/.VIMRC #用户配置文件 (does not exist, needs to be established)

3, VIM can be divided into three modes: General Mode: Edit mode: Command mode: for example:

4. Common Operation Commands:

Move cursor in general mode:

Cut Copy and paste in general mode:

Edit mode: (enter the following command into edit mode): You can edit the contents of the file:

Command mode: (Press ESC to enter command mode),

Supplemental Command: in command mode

: Hi: Highlights are displayed:

: Nohi: The highlight is not displayed:

"X": Save exit, and Wq the difference is that when entering a file is not edited, the use of this command does not change the file's atime.

Command mode Replace command: We replace the size letter A with a lowercase letter a

[Email protected] ~]# cat 1.txt #输入文件的内容

Aaaaaaaaaaaaa

Aaaabbbbbbcc

Dddaacccacc

[Email protected] ~]# vim 1.txt

: 1, $s/a/a/g #用vim进入后 and then replaced with this command, the output is as follows:

[Email protected] ~]# cat 1.txt

Aaaaaaaaaaaaa

Aaaabbbbbbcc

Dddaacccacc

There are three alternative formats, depending on the situation:

[Email protected] Text original content @ Replace content @g

s# text original content # replace content #g

s/text original content/replace content/g

day17-Editor Vim