Introduction
I think that if you give your knowledge to others and understand it, you will understand it completely. Try to write the article well, understand each article, and share it with more people. One praise, one comment, one attention. I am really happy. I have won the approval of so many people for my efforts without wasting anything.
已经玩Linux多年，到现在已经有6-7年的经验。跟多网友都想让我出一个关于Linux的专栏，也有一个出版社找过我让我出书，我都谢绝了，因为我觉得自己还不够资格。
经过几百位粉丝的认可，我最终还是决定把这一系列的文章写出来。
If you want to know me, you can read: This article will let you know me better
You can take a look at this article. Do you like my writing style: vi / vim abuses me thousands of times, I will stay vi / vim as my first love
我会结合大量的图片以及gif动态图片的形式来展现一些很难理解的内容，可以让你更直观的看细节，更容易理解。
更多内容在下面地址等你哦：
Column address: Click me to go to the column home page
Column content: The column covers the content, click I can understand, constantly updated
本篇内容主要包括以下几个方面：
1、
用户权限；2、用户组权限；3、文件权限；4、目录权限