The friendly interactive shell 2.1.1 Description:
As its name suggests, the friendly interactive shell (also known as fish) is a user-friendly, free and open source interactive UNIX shell specifically designed to be used for its interactiveness and discoverability features. It’s a drop-in replacement for Bash (Bourne shell). fish’s main goal is to offer a rich set of powerful functionality, including tab-completion, a discoverable and extensive help system, tab-completion of strings with wildcards, and many other attractive functionality that we’ve listed below at a glance. The friendly interactive shell is easy to use, search, remember, and discover. It includes a special help command, which allows users to access all of its documentation, syntax highlighting support, smart terminal handling, and support for the internal clipboard function of a GNU/Linux system.