~~~ find ./ -name "*.js" | grep ActionEnum ~~~ [grep 教程]([https://www.applegazette.com/mac/getting-started-with-terminal-using-grep-to-search-files/](https://www.applegazette.com/mac/getting-started-with-terminal-using-grep-to-search-files/)) ~~~ ps aux | grep chair // 查看当前正在运行的进程 kill 1421 // 关闭1421进程 lsof -i:7001 // 查看当前7001端口是否被占用 ~~~