What should I do if the ls command in centos does not display colors?

Method: 1. Use "vim ~/.bashrc" to edit the ".bashrc" file in the user directory (~); 2. Add "alias ls="ls --color"" to the file; 3. Use the ":wq!" command to save the changes in the file; 4. Exit the terminal with the "exit" command and reconnect.

The operating environment of this article: centos 7 system, Dell G3 computer.

What to do if the ls command in centos does not display colors

Problem: ls -la does not display colors

Solution:

Create a file called .bash_profile in the user directory (~) (if it exists, there is no need to create it).

Edit the .bash_profile file

vim ~/.bashrc

Add in the .bashrc file

alias ls="ls --color"

Save and exit, restart terminal

Expand knowledge:

vim installation

1. Installation

    注意：参考https://jingyan.baidu.com/article/046a7b3efd165bf9c27fa915.html

    在终端输入vi，然后按Tab键，如果显示vim,说明已经安装了vim,如果没有显示执行如下命令：

    ubuntu系统：

    普通用户下输入命令：

	sudo apt-get install vim-gtk

    centos系统：

    普通用户下输入命令：
    yum -y install vim*

    之后输入y，即可等待安装完成。

2 , Use

    在终端输入vim,空白的编辑环境，

    或者，执行命令

                  #vim 文件路径+文件名

    即可打开指定的文件。

    输入i,进入编辑状态

    按Esc退出编辑状态

    然后按住shift+:键，输入wq代表写入并退出，如果是wq!代表强制写入并退出,q表示不保存退出，q!表示不保存强制退出。执行退出后即可回到终端界面。

    在vi中按u可以撤销一次操作

     u   撤销上一步的操作
    Ctrl+r 恢复上一步被撤销的操作

    cd ..回到上一级目录

    cd ~回到home目录 

    cd -回到某一目录

Recommended tutorial: "centos tutorial"

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