Install Fish Shell

Summary

From their website:

Fish is a smart and user-friendly command line shell for Linux, macOS, and the rest of the family.

Technical stuff

Install Fish

Install on Linux (Ubuntu):

sudo apt update && sudo apt install fish

Make Fish the default shell

chsh -s /usr/bin/fish

Install Extensions

Fisher, a plugin manager
curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source && fisher install jorgebucaran/fisher
Tide, the ultimate Fish prompt
fisher install IlanCosman/tide@v6

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