5 Easy Ways To Check Your Ubuntu Version (GUI & Command Line)Table of ContentsIntroductionThe Different Versions Of UbuntuWhy You Might Need To Check Your Ubuntu VersionHow To Find Out Which Version Of Ubuntu You’re UsingUbuntu Version FAQsConclusionFAQ SectionIntroductionHave you ever needed to find out which version of Linux you're working with? Whether you're troubleshooting an issue, ensuring compatibility with specific software, or planning a hardware upgrade, knowing your operating system’s version can be crucial. This is especially relevant for Ubuntu users, although these methods can work for most Linux distributions. Knowing your Linux version can help you troubleshoot issues, avoid compatibility problems, and plan hardware upgrades. Additionally, it can aid in maintaining good security practices by ensuring you have the latest updates.In this detailed guide, we’ll walk you through different methods to identify your Ubuntu version in just a few minutes. From the graphical user interface (GUI) for beginners to more advanced command-line options, we've got you covered.The Different Versions Of UbuntuUbuntu, one of the most popular Linux distributions, regularly releases updates. Approximately every six months, a new version is rolled out, each with its unique code name. These versions aren't just minor updates but often carry significant changes that can affect compatibility with software and hardware.Interestingly, Ubuntu is available in various flavors, which are essentially different desktop environments built upon the same underlying Ubuntu system. Despite these variations, they all share the same Linux kernel and core operating system. It is this core system's version that we're interested in finding.Why You Might Need To Check Your Ubuntu VersionYou might be wondering why it's important to know your Ubuntu version. Here are a few key reasons:Checking Software CompatibilitySoftware applications are often designed and tested for specific versions of operating systems. Running newer software on older versions of Ubuntu might result in compatibility issues. The same can apply when trying to update existing applications.Security UpdatesNew versions of Ubuntu often come with patches for security vulnerabilities. Ensuring you're running the latest version can protect your system from potential threats.Troubleshooting IssuesWhen resolving problems on your device, knowing your exact Ubuntu version can be crucial. Many issues are version-specific, so tech support will often ask for this information.Planning for UpgradesOlder devices may not support the technical requirements of the latest Ubuntu versions. Knowing your current version can help you determine if your system can handle an upgrade or if you need to update your hardware.Harnessing New HardwareIf you're upgrading hardware, you may need the latest Ubuntu version to ensure full compatibility and take advantage of new features.How To Find Out Which Version Of Ubuntu You’re UsingLet's dive into the methods for checking your Ubuntu version, ranging from user-friendly GUI options to more technical command-line approaches.Method 1: Check Your Version Via The GUI SettingsThe easiest and most user-friendly way to check your Ubuntu version is through the GUI. Here's how:Open the Settings app from the system menu.Navigate to the About section.Here, you will see the version information under the OS Name and OS Version fields.This method is perfect if you're not comfortable with the command line and prefer a graphical interface.Method 2: The lsb_release -a CommandFor those more comfortable with the terminal, the lsb_release command provides detailed information about your Ubuntu version. Follow these steps:Open your terminal.Type lsb_release -a and press Enter.This command will display your Ubuntu version alongside other details like the distributor ID and codename.Method 3: The cat /etc/os-release CommandYou can also check your Ubuntu version by querying the system files that store this information. Here’s how to do it:Open the terminal.Type cat /etc/os-release and press Enter.This command will display system information including the Ubuntu version, in a structured format.Method 4: Check Your /etc/issue FileAnother way to find your Ubuntu version is by checking the /etc/issue file. Use the following steps:Open your terminal.Run the command cat /etc/issue.This will print out the version number alongside a brief system description.Method 5: Use The hostnamectl CommandThe hostnamectl command is primarily used for setting or changing the system's hostname but can also provide system information, including the Ubuntu version. Here's how:Open your terminal.Enter the command hostnamectl.Among other details, this will display your operating system version.Ubuntu Version FAQsHow often should I check my Ubuntu version?You don't need to check your Ubuntu version unless you're updating, upgrading, or troubleshooting. Regular checks are unnecessary unless prompted by specific circumstances.How can I upgrade my Ubuntu version?You can upgrade via the Software Updater application or choose the upgrade option when Ubuntu notifies you of a new release.What’s the difference between LTS and non-LTS Ubuntu versions?LTS stands for Long-Term Support. LTS versions are released every two years and supported for five years, offering stability and consistent updates. Non-LTS versions, released every six months, offer the latest features but are only supported for nine months.Does checking my Ubuntu version require sudo privileges?No, you can use commands like lsb_release, cat /etc/os-release, and GUI methods without sudo access.What are the Ubuntu release naming conventions?Each Ubuntu version has a codename following the format adjective-animal, with the first letter of both words the same. Versions also have a number format YY.MM, indicating the year and month of the release, such as Ubuntu 24.10 for October 2024.ConclusionDetermining your Ubuntu version is a straightforward process, whether you prefer using a graphical interface or command-line methods. Knowing how to find this information can save you time and trouble in various scenarios, from troubleshooting issues to planning upgrades.To recap, here are the key methods:GUI Settings menulsb_release -a commandcat /etc/os-release commandcat /etc/issue commandhostnamectl commandBookmark this page for future reference, and you'll always be able to find your Ubuntu version quickly and easily.FAQ SectionHow can I confirm that I have the latest Ubuntu version?You can check for updates using the Software Updater application. It will notify you if a newer version is available.Is it possible to revert to an older Ubuntu version?While reverting to an older version is possible, it's not as straightforward as upgrading. Backing up data and performing a fresh installation is often the recommended approach.Do I need to restart my system after checking the Ubuntu version?No, checking your Ubuntu version does not require a restart.Can I automate the process of checking the Ubuntu version?Yes, you can create a simple script that runs commands like lsb_release -a and outputs the result. This can be scheduled using cron jobs for regular checks.What should I do if my Ubuntu version is out-of-date?Updating your system is the best course of action. Use the Software Updater to install the latest version, ensuring your system stays secure and compatible.