Fish: Tutorial walkthrough on Haiku

Ref:Tutorial — fish-shell 3.7.1 documentation
Tested on: Haiku R1b5 (hrev58287) x86 using Fish v3.7.1.

“Fish is a fully-equipped command line shell (like bash or zsh) that is smart and user-friendly. Fish supports powerful features like syntax highlighting, autosuggestions, and tab completions that just work, with nothing to learn or configure.”

Goal: Install the fish shell and complete the tutorial.
Result: Become a Master in Fly Fishing ?