Ctrl + a: 跳到行首(输入命令的最开始)
Ctrl + e: 跳到行尾(输入命令的最后边)
https://www.cnblogs.com/yangxiaolan/p/6496308.html
https://www.cnblogs.com/zzqcn/p/4902284.html
https://www.cnblogs.com/alan-babyblog/p/5261467.html (linux下的shell 快捷键)
https://www.jb51.net/article/33479.htm