Kubuntu is a distribution derived from Ubuntu but one that uses KDE instead of Unity as default.

The second most popular Linux distribution — Linux Mint — offers different versions with different default desktop environments.

While KDE is one of them; GNOME is not.

Which Linux distros use Gnome?

You can use these Linux distributions on your primary system, as your primary operating system without a second thought.

• Debian. Debian is the mother distribution of Ubuntu.
• Fedora. Fedora is the community offering from Red Hat.
• Manjaro.
• openSUSE.
• Solus.

What is KDE and Gnome in Linux?

KDE stands for K Desktop Environment. It is a desktop environment for Linux based operation system. You can think KDE as a GUI for Linux OS. You can choose your Graphical Interface among various available GUI interfaces that have their own look. You can imagine Linux without KDE and GNOME just like DOS in windows.