What is a Shell

Definition of a Shell

In computer terms, a shell is a user interface that allows users to interact with the operating system. It can be command-line based (CLI) or graphical (GUI), enabling the execution of commands and management of system processes.

Types of Shells

• Command-Line Interface (CLI): A text-based interface where users type commands to perform tasks. Examples include Bash, Zsh, and PowerShell.
• Graphical User Interface (GUI): A visual interface that uses icons and menus for user interaction.

Importance of Shells

Shells are essential for executing system commands, automating tasks through scripts, and providing an interface between users and the operating system. They are crucial for system administration and development tasks.