mac 启用root账户解决修改sudoers权限问题启用root: https://jingyan.baidu.com/article/49711c619e7620fa441b7ca8.htmlchmod 440 /etc/sudoers版权声明：本文为qq_19457117原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/qq_19457117/article/details/88578256