Celestial Bodies Database - Build a Celestial Bodies Database

How to save progress?
I wanted to save my progress. I read the notes below but I didn’t know how to do it. How do you open the bash terminal? Does anyone have a detailed step by step guide on how to save progress?

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Challenge: Celestial Bodies Database - Build a Celestial Bodies Database

Link to the challenge:

To open the terminal, look for a new terminal option somewhere in the menu area on the left. (I can’t recall exactly where but it should not be hard to find)