What Is Meant by Bash Scripting?


Angela Bailey

Bash scripting is a powerful tool that allows users to automate tasks and write scripts to execute multiple commands in sequence. It is a scripting language commonly used in Unix-based operating systems, such as Linux and macOS. In this article, we will explore what bash scripting is, its benefits, and how to get started with writing bash scripts.

What is Bash?

Bash, short for “Bourne Again SHell,” is a command line interpreter (CLI) or shell program that provides a text-based interface for interacting with the operating system. It is the default shell for most Unix-based systems and serves as the primary interface between users and the operating system.

What is Bash Scripting?

Bash scripting refers to the process of writing scripts using the Bash language. A script, in simple terms, is a file containing a series of commands that can be executed together. Bash scripts allow users to automate repetitive tasks, perform complex operations, and create custom solutions tailored to their needs.

Benefits of Bash Scripting

  • Automation: One of the main advantages of bash scripting is automation. By writing scripts, you can automate repetitive tasks, saving time and effort.
  • Efficiency: Bash scripts allow for efficient execution of multiple commands in sequence without manual intervention.

    This streamlines workflows and increases productivity.

  • Customization: With bash scripting, you have complete control over your scripts. You can customize them to suit your specific requirements and create personalized solutions.
  • Troubleshooting: Writing bash scripts enables easier troubleshooting by isolating problematic commands or sequences of commands for testing and debugging.

Getting Started with Bash Scripting

To start writing bash scripts, you need a text editor and a basic understanding of bash syntax. Here’s a step-by-step guide to help you get started:

Step 1: Open a Text Editor

Open your preferred text editor, such as Sublime Text, Notepad++, or Visual Studio Code. These editors provide syntax highlighting and make it easier to write and edit bash scripts.

Step 2: Create a New File

Create a new file with a .sh extension (e.g., myscript.sh) to indicate that it is a bash script. The .sh extension is not mandatory but helps identify the file type.

Step 3: Define the Shebang

In the first line of your script, add the shebang (#!/bin/bash). The shebang tells the system which interpreter to use when executing the script (in this case, /bin/bash).

Step 4: Write Your Script

Start writing your script by adding commands one after another. Each command should be on a new line. You can include comments using the ‘#’ symbol to provide explanations or instructions within the script.

Step 5: Save and Make Executable

Save your script and make it executable using the chmod command. For example, if your script is named myscript.sh, run the following command in your terminal:

$ chmod +x myscript.sh

The above command grants execute permissions for the owner of the file (you) to run the script.

Step 6: Run Your Script

To execute your bash script, navigate to its location in the terminal and run the following command:

$ ./myscript.sh

Replace myscript.sh with the name of your script.

That’s it! You have now created and executed a bash script. You can continue building on this foundation by exploring more advanced bash scripting concepts, such as variables, conditionals, loops, and functions.


Bash scripting is a valuable skill for anyone working with Unix-based systems. It allows you to automate tasks, increase efficiency, and customize your workflows. By following the steps outlined in this article, you can get started with writing your own bash scripts and unlock the power of automation.

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