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Linux Shells

A shell is a command-line interface (CLI) that provides an interactive way for users to interact with an operating system and execute commands.

It acts as an intermediary between the user and the underlying system, allowing users to input commands in the form of text and receive output or results from the system.

Shells are an integral part of Unix-like operating systems, including Linux.

Bash (Bourne Again Shell)​

The default shell on most Linux distributions and macOS. It's known for its rich features, scripting capabilities, and widespread usage.

Zsh (Z Shell)​

An extended version of Bash with additional features like advanced tab completion, better scripting support, and customizable themes.

Fish (Friendly Interactive Shell)​

Designed to be user-friendly with helpful features like syntax highlighting, autosuggestions, and an easily readable command prompt.

Dash​

A minimalistic shell optimized for speed and efficiency. It's often used as the system shell in some Linux distributions.

Ksh (Korn Shell)​

Provides a mix of features from both Bash and Csh (C Shell), with a focus on enhancing scripting capabilities.

Csh (C Shell)​

Known for its C-like syntax and interactive features. It's less commonly used in modern Linux systems.

Tcsh (Tenex C Shell)​

An extended version of Csh with additional features and improvements, often used in some Unix systems.


Each of these shells has its own strengths and features, and the choice of which one to use often depends on personal preference and specific requirements.

Bash is the most widely used and default shell, but exploring other shells might provide you with additional productivity and convenience features.


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