FISH – A smart and user-friendly command line shell for Linux

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The friendly interactive shell (FISH). fish is a user friendly command line shell intended mostly for interactive use. A shell is a program used to execute other programs.

FISH Features


fish suggests commands as you type based on history and completions, just like a web browser. Watch out, Netscape Navigator 4.0!

Glorious VGA Color

fish natively supports term256, the state of the art in terminal technology. You'll have an astonishing 256 colors available for use!

Sane Scripting

fish is fully scriptable, and its syntax is simple, clean, and consistent. You'll never write esac again.

Web Based configuration

For those lucky few with a graphical computer, you can set your colors and view functions, variables, and history all from a web page.

Man Page Completions

Other shells support programmable completions, but only fish generates them automatically by parsing your installed man pages.

Works Out Of The Box

fish will delight you with features like tab completions and syntax highlighting that just work, with nothing new to learn or configure.

Install FISH On ubuntu 15.04

Open the terminal and run the following commands

sudo apt-add-repository ppa:fish-shell/release-2
sudo apt-get update
sudo apt-get install fish

Using FISH

Open the terminal and run the following command to start FISH


Welcome to fish, the friendly interactive shell
Type help for instructions on how to use fish

Check FISH Documentation How to use.

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