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Linux fish Fish features includes Autosuggestions fish suggests commands as you type based on history and completions, just like a web browser. Unlike other shells, fish does not follow the POSIX standard, but still uses roughly the same model. Security and stability Cutefish OS is based on the open source Linux kernel. 0. Use it for everyday work in your terminal and for scripting. This tutorial covers the basics of running commands, getting help, using wildcards, pipes, redirections, and more. Unlike other shells, fish’s prompt is built by running a function - fish_prompt. Dec 14, 2024 · I’m a big fan of fast shell prompts for “ astronauts “. Aug 10, 2025 · Fish might be the Bash alternative you didn't know you needed, thanks to features like highlighting, and smarter command suggestions. Let’s take a look at the new features in this major release. fish is an excellent command line shell for day-to-day file browsing and running commands (the BEST, in fact). Cheat Sheet Finally, a command line shell for the 90s! fish includes features like syntax highlighting, autosuggest-as-you-type, and fancy tab completions that just work, with no configuration required. Awesome. The default Bash shell is a powerful option. The recently announced Fish 3. May 7, 2017 · I would like to define some aliases in fish. Discover which shell suits your workflow—scripting, customization, or beginner-friendly use. 0 release, with The Fish Shell Framework. , Bourne Shell (sh), GNU Bourne-Again Shell (bash), and C Shell (csh). fish offers a command-line interface focused on usability and interactive use. Many things are similar - they both fundamentally expand commandlines to execute commands, have pipes, redirections Fish is the sassy & user-friendly command line shell you never knew you needed for Linux, macOS, and the whole gang. However Aug 30, 2014 · Have you ever wanted to get away from Bash when using Linux? Enter Fish shell, a great alternative with tons of neat features. fish includes features like syntax highlighting, autosuggest-as-you-type, and fancy tab completions that just work, with no configuration required. fish (friendly interactive shell; stylized in lowercase) is a Unix-like shell with a focus on interactivity and usability. Homebrew’s package indexAlso known as: fishfish User-friendly command-line shell for UNIX-like operating systems https://fishshell. You see, this isn't just any collection Sep 27, 2025 · fish - the f riendly i nteractive sh ell - is a smart and user-friendly command line shell for OS X, Linux, and the rest of the family. 0-only Formula JSON API: /api/formula/fish. Apr 1, 2025 · Fish is a smart and user-friendly command line shell for Linux, macOS, BSD and Windows operating systems. It has developers from all over the world to review its code and ensure that there are no bugs and backdoors. The article provides a comprehensive guide for installing fish across various Linux distributions using specific package managers and encourages making fish the default Dec 27, 2023 · For experienced Linux users, choosing the right shell is an important decision. Some of the special features of fish are: Extensive UI: Syntax highlighting, Autosuggestions, tab completion and selection lists that can be Oct 28, 2024 · In this article, we’ll delve into Fish shell, comparing it with Bash and Zsh to help you determine which might be the best fit for your workflow. With features like syntax This article describes the Friendly Interactive Shell (fish) for Linux, a user-friendly alternative to Bash. Contribute to oh-my-fish/oh-my-fish development by creating an account on GitHub. fish (1) - Linux man page Name fish - the friendly interactive shell Synopsis fish [-h] [-v] [-c command] [FILE [ARGUMENTS]] Description A commandline shell written mainly with interactive use in mind. Contribute to fish-shell/fish-shell development by creating an account on GitHub. It has 1185 files changed, 111221 insertions (+), 89168 deletions (-) 1. Unlike ZSH, I don’t need to install and manage a whole host of plugins. Jan 12, 2025 · Discover why Fish Shell. What is Fish Shell? Fish shell, short for “Friendly Interactive SHell,” was designed to be user-friendly and interactive. Jan 5, 2024 · The Fish is a command-line shell that is designed to be user-friendly, interactive, and provide additional features compared to traditional shells like Bash. The user-friendly command line shell. What is the fish Shell, again? The fish Shell is “a smart and user-friendly command-line shell for Linux, macOS, and the rest of Mar 9, 2020 · Fish (friendly interactive shell) is a smart and user-friendly command line shell that works on Linux, MacOS, and other operating systems. Everything I want comes packaged right in as part of the shell itself. 0 version yesterday. Feb 27, 2025 · A smart and user-friendly command line shellWe’re proud to announce the release of fish 4. bashrc to run fish, which works fine, but ubuntu recognizes it as fish running inside bash, which means that wh Regarding the syntax, fish can still source . Unlike many other shells that require significant setup or scripting out of the box, fish works effectively right after installation. For instance, writing help Aug 28, 2023 · How to Install and Set Up the Fish Shell The Fish Shell, known for its user-friendly interface and smart features, offers an enhanced command-line experience. However, along with that power comes the need to remember those commands. 3, @beta, etc). Fish is intentionally not POSIX-compatible and as such some of the things you are used to work differently. As you might know, fish was entirely rewritten in rust. Shell is a program that interprets and executes the commands you type in the terminal. For interactive features see Interactive use. In this guide, we will focus specifically on Fish shell – installing it, using its various features, and customizing it. Mar 29, 2025 · Bash vs Zsh vs Fish: Learn the key differences between the top Linux shells in 2025. Use the help command to obtain help on a specific subject or command. This is a good way to get used to fish’s scripting language. Linux has different type shells, e. It highlights fish's intuitive features such as syntax highlighting, autosuggestions, and web-based configuration. Starship is the minimal, blazing fast, and extremely customizable prompt for any shell!. • -c or --command=COMMANDS evaluate the specified commands instead of reading from the commandline • -d or Jul 12, 2025 · Learn how to install and configure Fish Shell on Ubuntu for an enhanced command-line experience with this step-by-step guide. But, while that’s a lot of work, it should also be invisible to you, the user - if we’ve done our job right fish tutorial Why fish? fish is a fully-equipped command line shell (like bash or zsh) that is smart and user-friendly. Out with the old-fashioned shells that skimp on features for the sake of every last byte of RAM—finally, a command line shell for the 90s! Welcome to the ultimate treasure trove of handpicked plugins, prompts, and other Fish goodies. fish is designed to be feature-rich by default, rather than highly configurable, [6] and does not adhere to POSIX shell standards by design. A shell is a program that helps you operate your computer by starting other programs. Say hello to streamlined workflows and a newfound confidence in your Linux skills! Before you get started, take a moment to ensure you’ve got the following essentials covered to follow along in this tutorial: Fish is a smart and user-friendly command line shell that is designed for interactive use. Or, more specifically Jan 7, 2019 · The developers behind the fish shell announced the release of version 3. It offers powerful features out of the box without the need for extensive configuration, making it an excellent choice for both beginners and experienced users. I’ve used Pure and Spaceship before and this is the right time Feb 27, 2023 · If you use Linux, you probably know about the Bash shell. This release represents 2731 commits by over 200 people. Learn how to install it on Ubuntu. Fish, f riendly i nteractive sh ell, is a Jul 7, 2017 · The Linux command line is a tool that every system administrator should get to know. Refer to the "terminal emulator" article for some general usage pointers. Any ideas? Fish (Friendly Interactive SHell) is a modern command-line shell focused on user-friendliness and interactive use. It is particularly popular among those who seek simplicity and ease of use without sacrificing Jun 20, 2024 · Explore the Fish shell, its characteristics, and how it differs from many major shells. Cutefish OS Applications Dec 27, 2023 · Fish: A friendly, interactive shell designed for ease-of-use and user-friendliness. By the end, you’ll see why Fish provides […] Fish for bash users ¶ This is to give you a quick overview if you come from bash (or to a lesser extent other shells like zsh or ksh) and want to know how fish differs. You might have even heard of a more customizable Z shell or zsh . In this comprehensive guide, we’ll explore the key differences between ZSH and Fish shell. A command is executed by writing the name of the command followed by any arguments. g. For example: Introduction ¶ This is the documentation for fish, the f riendly i nteractive sh ell. Interactive use ¶ Fish prides itself on being really nice to use interactively. 0! Sane Scripting fish is fully scriptable, and its syntax is simple, clean, and Jun 1, 2024 · Fish is a user-friendly UNIX/Linux shell program that focuses on providing most of the known features by default without requiring any manual configuration. But two popular alternatives, ZSH and Fish, offer more advanced features and customization. With the power of commands at your fingertips, there’s very little you cannot do. Watch out, Netscape Navigator 4. fish is a smart and user-friendly command line shell for Linux, macOS, and the rest of the family. Help ¶ Fish has an extensive help system. com License: GPL-2. fish is a command line shell for Linux, macOS, and other systems. Unlike Bash or Zsh, Fish works intelligently out-of-the-box, making it ideal for developers who want a productive terminal experience without extensive customization. Fish is a smart and user-friendly command line shell for Linux and other Unix-like operating systems. Jul 14, 2025 · Fish (Friendly Interactive Shell) is a modern Unix shell that offers built-in autosuggestions, syntax highlighting, and web-based configuration without requiring complex setup. status to get shell information, like whether it’s interactive or a login shell, or which file it is currently running. However if you are looking for a more user-friendly and efficient shell, with features like autocomplete out of the box, the fish shell is the way. The full manual is available in html by using the help command from inside fish. fish supports powerful features like syntax highlighting, autosuggestions, and tab completions that just work, with nothing to learn or configure. Known for its vibrant syntax highlighting, autosuggestions, and extensive man-page documentation, Fish enhances the user experience on the terminal. Dec 6, 2017 · Fish is a well equipped, smart and user-friendly shell for Linux and Unix. Introduction ¶ This is the documentation for fish, the f riendly i nteractive sh ell. Aug 3, 2024 · Explore Fish Shell for Linux: learn its features, pros and cons, and configuration tips for productivity. fish is intentionally not fully POSIX compliant, it aims at addressing POSIX inconsistencies (as perceived by the creators) with a simplified or a different syntax. Linux is more secure than other operating systems. By comparing the Apr 17, 2015 · Is there a way to set fish as the default shell in ubuntu netbook remix? I put in my . Fish has a lot of modern features that make it a superior interactive shell than more Dec 17, 2024 · Using Homebrew on macOS: brew install fish-shell/fish-beta-4/fish Using our PPA for Ubuntu: sudo add-apt-repository ppa:fish-shell/beta-4; sudo apt install fish Using prebuilt packages for other Linux distributions Using the portable binaries for Linux from the GitHub release page We are quite proud of this upcoming release. Why Use Fish Over Bash? So why might you want to use Fish instead of the default bash shell included with your Linux distribution? Jan 20, 2024 · In the Linux ecosystem, one feature that stands out for its versatility and power is the variety of shells from which users can choose. fish, the friendly interactive shell, is a commandline shell intended to be interactive and user-friendly. That’s down to a few features we’ll explain in the next few sections. Introduction to Fish The Friendly . Feb 15, 2024 · Learn to transform your Linux journey with fish shell, from its user-friendly interface to its extensive customization options. It works for Bash, Zsh and Fish shells. Frequently asked questions ¶ What is the equivalent to this thing from bash (or other shells)? ¶ See Fish for bash users How do I set or clear an environment variable? ¶ Use the set command: Introduction ¶ This is the documentation for fish, the f riendly i nteractive sh ell. Writing your own prompt ¶ Fish ships a number of prompts that you can view with the fish_config command, and many users have shared their prompts online. fish The friendly interactive shell (fish) is a smart and user-friendly command line shell for Linux, macOS, and the rest of the family. Also learn to install the latest version through PPA. sh file that use bash in the shebang, right? it will automatically use bash to parse it? or do i need to convert my script to fish equivalent? Simple and exquisite design, use the most suitable design to enhance user experience. When you take into consideration how complicated those commands can get, it’s understandable that … I’ve finally made the switch from ZSH to the fish shell. 7. If you want to make your command line more productive, more useful, and more fun, without learning a bunch of arcane syntax and 安装 fish 包 软件包。或者安装开发版的 fish-git AUR。 安装完成后，输入 fish 即可进入 fish shell。 要查看帮助文档，在 fish 中输入 help，文档将会在浏览器中打开。建议用户至少读完文档中“Syntax overview”这一节内容，因为 fish 的语法和其他 shell 的并不一样。 The fish language ¶ This document is a comprehensive overview of fish’s scripting language. fish used as an interactive shell only: this is the less disruptive mode, all the Bash initialization scripts are run as usual and fish runs on top of Bash in interactive mode connected to a terminal. Syntax overview ¶ Shells like fish are used by giving them commands. Some of the special features of fish are A shell is a program that helps you operate your computer by starting other programs. It is the default shell in most Linux distributions and gets most of the work done. Dec 16, 2024 · The most common default shell on most Linux distributions is the Bourne Again SHell (Bash). rb on GitHub Bottle (binary package) installation support provided for: Feb 27, 2025 · Fish Shell 4 is here, completely rewritten in Rust with improved key bindings, self-installable builds, better history control, and more. Master commands with ease. In this comprehensive guide, we will explore the history, pros and cons, and key features of Bash, Zsh, and Fish shells. Fish is used by giving commands in the fish language, see The Fish Language for information on that. However, there are other popular shells to choose from with different features and advantages, such as the Z SHell (Zsh) and Friendly Interactive SHell (Fish). Dec 27, 2023 · Learn how to quickly install Fish shell on Ubuntu based Linux distros. Along with the classic Bash and others like Zsh and Tcsh, Fish has been widely recognized and adopted as a go-to choice among many Linux users for its user-friendly approach and advanced features for a long time. It has features like tab completions, syntax highlighting, abbreviations, and web-based configuration. Scripts written in fish are less cryptic than their equivalent bash versions. To setup fish in this mode, follow #Setting fish as interactive shell only. config/fish/functions but they don't get auto loaded when I restart the shell. Dive into the world of fish bash and discover a vibrant, user-friendly alternative to traditional bash. Apparently it should be possible to define them in ~/. May 8, 2022 · Fish shell: A great alternative to bash and zsh Installation: brew install fish Set fish as the default shell: Add the shell to /etc/shells with echo /usr/local/bin/fish | sudo tee -a /etc/shells Change the default shell with chsh -s /usr/local/bin/fish Oh My Fish: Package manager for customizing the fish shell eval and source to run fish code from a string or file. 安装完成后，就可以启动 Fish。 $ fish 由于 Fish 的语法与 Bash 有很大差异，Bash 脚本一般不兼容。 因此，我建议不要将 Fish 设为默认 Shell，而是每次手动启动它。 使用过程中，如果需要帮助，可以输入 help 命令。 浏览器就会自动打开，显示在线文档。 $ help 四 To update or switch versions, run webi fish@stable (or @v3. Some of the special features of fish are: Extensive UI: Syntax highlighting, Autosuggestions, tab completion and selection lists that can be While Bash and Zsh dominate the Linux shell landscape, Fish (Friendly Interactive Shell) offers a refreshing alternative with its focus on user-friendliness and out-of-the-box features. json Formula code: fish. Unlike previous shells, which disable certain features by default to save system resources, fish enables all features by default—finally, a command line shell for the 90s! Feb 28, 2025 · Fish shell, the popular free open-source command line shell, release new major 4. However, you can also write your own, or adjust an existing prompt. With features like syntax highlighting, auto-suggestions, tab completions, and a private mode for secure commands, Fish Shell offers an intuitive and powerful alternative Dec 17, 2024 · Fish Shell, short for the Friendly Interactive SHell, is a modern command-line interpreter aiming to be user-friendly while still being feature-rich. And, current Ubuntu releases default to bash shell. This tutorial describes how to install fish shell in Linux. Learn how to use fish, a smart and user-friendly command line shell that supports syntax highlighting, autosuggestions, and tab completions. The Starship shell prompt is designed to only show the information you need while you’re working, while staying sleek and out of the way. This shell is designed to give user powerful features and control without compromising speed and efficiency.