I was in search of how to hide username in console for the sake of getting more beautiful screenshots.
fish shell officially provides.
It has execellent web-based UI for us to configure color theme, prompt style and so on.
Just type in the terminal:
Then your web browser will run and show the useful menus :)
With options, select one and click "Set ***", and it'll be done.
Besides, my current
fish version is 3.0.2.
After changing "prompt", great, my console shows just "$" at the top of prompt lines: