https://blog.csdn.net/qq_21792169/article/details/53152700
在主文件夹目录即home目录，按快捷键Ctrl+H(显示隐藏文件)，看到的.bashrc文件;
https://pinyin.sogou.com/linux/
https://jingyan.baidu.com/article/642c9d341b3ccb644a46f7ac.html
configuration:
https://jingyan.baidu.com/article/fec7a1e5d3a7171191b4e776.html