Installing curses:
sudo apt-get install libncurses5-dev
fish is now installed on your system. To run fish, type ‘fish’ in your terminal.
To use fish as your login shell:
- add the line ‘/usr/local/bin/fish’ to the file ‘/etc/shells’.
- use the command ‘chsh -s /usr/local/bin/fish’.
To set your colors, run ‘fish_config’ To scan your man pages for completions, run ‘fish_update_completions’
Have fun!