Initial macbook pro setup was aborted. Now I cannot login with the Administrator pwd. How can I reset it?

During the initial setup of a new macbook pro, the setup assistant aborted. The system shutdown when I touched my finger to the touchid key. Since then I am unable to login using the Administrator user name. I had restarted once before and was able to log in using Administrator. But after this unexpected abort, I cannot. And I have tried but lower case and uppercase passwords.

I found an article discussing how to force the set up assistant to run again by removing a file after using cmd keys to get access to the file system. When I use the cmd keys though it continues to the login window.

Perhaps I am not using the right cmd keys. The article indicated CMD-S I have tried holding down the cmd key along with the s key, the cmd key with Shift and the S key (since it showed a capital S), and also cmd along with -, shift, and s.

It does show the terminal windows but it does not stop to let me run linux commands but instead continues on to show the login again.