Fish Shell on Linux Mint 22.3 Cinnamon – Install, Themes & Full Setup Guide (bobthefish)

Want a modern, smarter terminal on Linux Mint 22.3 Cinnamon? In this video, I walk you through setting up Fish Shell from scratch and turning your basic terminal into a clean, powerful, and responsive environment.

We start with installing Fish Shell, then make it the default shell so it loads every time you open your terminal. After that, we install Oh My Fish to unlock advanced themes, and apply the popular bobthefish theme for a professional, powerline-style look.

Along the way, you’ll see how Fish improves your workflow with autosuggestions, syntax highlighting, and a much more user-friendly experience compared to the default Bash shell.

If your terminal looks boring or outdated, this setup will completely change how it feels to work on Linux Mint.

This guide is simple, clean, and easy to follow — perfect for beginners and advanced users alike.


Commands Used in This Video:

# Update system
sudo apt update

# Install Fish Shell
sudo apt install fish -y

# Start Fish (temporary)
fish

# Set Fish as default shell
chsh -s /usr/bin/fish

# Install Oh My Fish (theme manager)
curl https://raw.githubusercontent.com/oh-my-fish/oh-my-fish/master/bin/install | fish

# Install bobthefish theme
omf install bobthefish

# Install required fonts (fix symbols)
sudo apt install fonts-powerline -y

Optional (Reset / Fix):

# Remove Fish config (reset settings)
rm -rf ~/.config/fish

# Exit Fish back to Bash
exit Receive SMS online on sms24.me

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