Shell scripting is a way to automate tasks in a computer's operating system using a series of commands written in a text file. These scripts are executed by a command-line interpreter, known as a shell, which processes the commands one by one. This allows users to perform repetitive tasks efficiently, such as file management, system monitoring, and software installation. Shell scripts can be written in various shell languages, with Bash (Bourne Again SHell) being one of the most popular. They are widely used in Linux and Unix systems, making it easier for system administrators and developers to manage their environments. By using shell scripting, users can save time and reduce the likelihood of errors in manual command entry.