A Linux distribution is a complete operating system built around the Linux kernel. A desktop environment is the graphical workspace within that system: it provides the desktop, menus, windows, and tools you use to interact with it. They are related, but they are not interchangeable terms.
What is a Linux distribution?
Linux is the kernel: the core software that lets a computer’s hardware and programs communicate. A distribution, often called a distro, combines the kernel with the other components needed to make a usable operating system, including system software, applications, and tools for installing and updating software. The Ubuntu project glossary describes a distribution as “a complete Operating System based on the Linux Kernel.” Ubuntu project glossary.
Distributions make choices about which software they provide, how they organize and deliver it, what defaults they set, and how they approach releases and support. Those choices help shape who a distribution is intended for and how it is maintained.
What does a desktop environment do?
A desktop environment is the graphical workspace you use after logging in. It typically includes the desktop layout, panels or docks, application launcher, window management, settings, and a set of desktop tools. Its design affects how you open applications, arrange windows, and reach common controls.
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The desktop environment is one component of a distribution, not the entire operating system. It is also distinct from the Linux kernel: the kernel provides the underlying system, while the desktop environment provides a graphical way to work with it.
How can one distribution offer different desktops?
A distribution project can package the same underlying system with different desktop environments and defaults. Ubuntu’s official flavors illustrate this: Kubuntu uses KDE Plasma, Lubuntu uses LXQt, and Xubuntu uses Xfce. The flavors share Ubuntu’s software archive but have their own default applications and settings. Ubuntu flavors.
A distribution can also customize a desktop environment rather than use it exactly as its upstream developers provide it. Ubuntu Desktop, for example, is based on GNOME but includes Ubuntu-specific changes such as its Dock, theme, and default applications. Ubuntu Desktop user guide.
So choosing a different desktop does not necessarily mean changing the distribution family. It can instead change the interface, included applications, and defaults while leaving the shared distribution archive in place.
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How to compare distributions and desktop environments
Compare distributions based on the system and its maintenance; compare desktop environments based on the day-to-day graphical experience.
When comparing distributions
- Software sources and package tools: Check which repositories and package-management tools the distribution uses, and whether they provide the software you need.
- Release and support approach: Consider whether you prefer newer features or a more predictable system, and review the project’s documented support and maintenance policies.
- Hardware and applications: Confirm that the distribution supports your computer and the applications you rely on.
- Project priorities: Read the project’s own guidance about security, maintenance, and intended use rather than assuming distributions make identical choices.
When comparing desktop environments
- Workflow: Look at the layout, menus, panels, and window behavior. Consider which feels natural for the way you work.
- Customization: Check how easily you can adjust appearance, panels, menus, and keyboard shortcuts.
- Included tools and accessibility: See whether the bundled applications and accessibility features fit your needs.
- Available hardware: Consider whether the desktop’s resource use suits your computer. Descriptions such as “lightweight” are relative; the information here does not establish benchmarks or minimum hardware requirements.
There is no one distribution or desktop environment that is best for everyone. The right choice depends on your software and hardware needs, the project’s support approach, and the workflow you prefer.
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Can you try a Linux desktop before installing?
Ubuntu says you can try Ubuntu Desktop from a USB stick without making permanent changes to your computer. This offers a way to preview the interface before deciding whether to install it. Follow the current installation instructions for the distribution you choose; no particular USB drive size or model is established here. Ubuntu’s try-before-installing guide.
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