Z Shell, often abbreviated as zsh, is a powerful command-line interpreter for Unix-like operating systems. It is an extended version of the Bourne Shell and incorporates features from other shells like bash and ksh. zsh is known for its user-friendly features, such as advanced tab completion, improved globbing, and customizable prompts. One of the standout features of zsh is its support for plugins and themes, which can enhance the user experience significantly. Users can easily customize their shell environment to suit their preferences, making it popular among developers and system administrators. Overall, zsh offers a robust and flexible command-line experience.