It also enables an SSH daemon so you can remotely access your Chromebook via an SSH server and allows you to set a custom root password. (howtogeek.com)
Last month it was the macOS 10.13 root password issue, hot... (secnews24.com)
I also rooted my kindle, by installing the USBNet package, and looking up my root password using my serial number, using the javascript web page provided at the link. (hackaday.com)