5. Ubuntu

What Is Ubuntu?

Ubuntu is one of the most widely used Linux distributions. Developed by Canonical, it is built on Debian and is known for its accessible design, large user community, and broad hardware and software support.

Ubuntu has become a common starting point for people who want to learn Linux without beginning from a more manual or advanced setup. It is used on personal computers, development systems, cloud platforms, and servers, which gives it a reach that few other distros can match.

Ubuntu is popular because it tries to make Linux practical for everyday use. It offers a polished installer, strong documentation, predictable releases, and a large ecosystem of tutorials and third-party support. For many users, that combination makes Ubuntu one of the easiest Linux distros to live with.

Another reason Ubuntu is so visible is that it works across many environments. You will see it on laptops and desktops, in virtual machines, on servers, and across cloud platforms. That broad adoption reinforces its reputation as a general-purpose Linux distribution.

Ubuntu and Debian

Ubuntu is a Debian-based distribution, which means it inherits much of its package management model and software packaging approach from Debian. If you learn how apt works in Ubuntu, that knowledge will also help you understand other Debian-based systems.

At the same time, Ubuntu is not just "Debian with a desktop." It has its own release schedule, defaults, support model, and ecosystem. If you want to compare it with other options, see Choosing a Linux Distribution or learn more about Debian.

Ubuntu Releases

Ubuntu uses two main release types. It publishes a new release every six months, and every two years one of those releases becomes a Long Term Support, or LTS, release. LTS releases are commonly chosen for desktops, workstations, and servers that need a more stable base.

This release model helps explain Ubuntu's appeal. Users who want a dependable base often choose LTS, while users who want newer features can use the interim releases that arrive on a faster schedule.

Package Management

As a Debian-based system, Ubuntu uses the .deb package format and the apt package manager for installing, updating, and removing software. This gives users access to a very large software ecosystem and a familiar command-line workflow.

Package management is one of Ubuntu's practical strengths because it combines mature Debian tooling with a large, widely documented software environment.

Desktop and Server Use

Ubuntu is used on both desktop and server systems. On the desktop side, it is known for a polished GNOME-based experience and relatively approachable defaults. On the server side, it is widely deployed in development, web infrastructure, and cloud environments.

That range makes Ubuntu attractive to users who want one Linux distribution that can scale from learning on a laptop to running workloads in production.

Why Beginners Choose Ubuntu

Ubuntu is often recommended to beginners because it is easier to install and troubleshoot than many other Linux distros. The large user base means there are many tutorials, forum posts, and guides available when something goes wrong.

For users who want a beginner-friendly Linux distro without giving up long-term flexibility, Ubuntu remains one of the safest starting points.

Further Reading

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Exercises

To keep learning after this Ubuntu introduction, we recommend these LabEx courses:

  1. Quick Start with Linux - Build a practical foundation in Linux basics and command-line skills.
  2. Linux for Noobs - Follow a beginner-friendly path for understanding Linux basics step by step.
  3. Become a Junior System Administrator - Continue into practical Linux administration skills once you are comfortable with the basics.

Quiz

What operating system is Ubuntu based on? (Please answer in English, paying attention to capitalization.)