Ubuntu is a popular Linux distribution known for its user-friendly interface and robust ecosystem. Understanding which version of Ubuntu you are running is crucial for compatibility, support, and system maintenance. With several versions of Ubuntu released over the years, it’s essential to know which one you’re using, whether you’re a beginner or an experienced user.

There are two primary methods to find your Ubuntu version number: using the command line and using the Unity graphical interface. The command line approach is versatile and can be used across various Linux distributions, while the Unity method is specific to Ubuntu systems featuring the Unity desktop environment. In this article, we will explore both methods to help you determine your Ubuntu version easily and efficiently.

Show Ubuntu Version via Command Line

To check your Ubuntu version through the command line, follow the step-by-step instructions detailed below:

Step 1: Open the terminal. You can access it by pressing Ctrl + Alt + T or searching for “terminal” in the application menu.

Step 2: In the terminal, enter the following command:

lsb_release -a

This command will display detailed information about your Ubuntu system, including the version number.

Alternatively, you can also check the Ubuntu version by examining the /etc/os-release file. To do this, enter the following command in the terminal:

cat /etc/os-release

This will present a list of various system details, including the version number.

By following these simple instructions, you can easily and quickly confirm your Ubuntu version using the command line.

Show Ubuntu Version in Unity

In this section, we will discuss the steps to identify the Ubuntu version running on your system when using Unity as the desktop environment. This process is essential because knowing your Ubuntu version ensures that you are running the latest updates and secures your system against potential threats.

You can find the version of Ubuntu in Unity by following these simple steps:

  1. Click on the gear icon located in the top-right corner of the screen.
  2. Select “About This Computer” from the dropdown menu.
  3. Find the version information under the “OS Type” section.

If you prefer using the terminal for checking the Ubuntu version in Unity, you can do so with the following command:

lsb_release -a

The output should display the Ubuntu version, alongside other information such as the codename and release number, making it easy for you to identify the version you are running.

Knowing your Ubuntu version allows you to use compatible software and access specific features available in that version. It also allows you to troubleshoot issues more effectively and stay updated on security patches and bug fixes.


In this article, we have explored various methods to find the Ubuntu version number using both the command line and Unity interface. The lsb_release -a command is a simple and effective way to determine the version number from the command line.

For users who prefer working within the Unity interface, the Ubuntu version can be found through the system settings. Additionally, users can also check the /etc/lsb-release file for more information on their Ubuntu version.

Knowing your Ubuntu version number is essential as it helps you to understand the compatibility of software, find solutions to issues specific to your version, and stay informed about updates or support periods. Stay vigilant in maintaining and updating your Ubuntu system to ensure a secure and optimized user experience.