<ul><li>A shell is a command-line interpreter that allows interaction with the Unix operating system.</li><li>The terminal is where you interact with the shell, similar to Tony Stark controlling the Iron Man suit.</li><li>Popular Unix shells include sh, bash, zsh, ksh, and tcsh, each with their own features and capabilities.</li><li>Customizing your shell allows you to tailor it to your needs, similar to Tony Stark refining his suits.</li></ul>

Unleash Your Inner Avenger: A Beginner’s Guide to Unix Shells

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