Fish

Install

Install fish

brew install fish

Install oh-my-fish

curl -L github.com/oh-my-fish/oh-my-fish/raw/master/bin/install | fishcurl -L https://get.oh-my.fish | fish

Uninstall

brew uninstall fish

Run terminal, then click Shell > New Command, and type /bin/bash (make sure Run command inside shell is DEselected)

When in bash, run chsh set the shell value to /bin/bash, and exit