I've just installed a fresh copy of Ubuntu 20.04 because I wanted the 5 year support. However I'm not a big Gnome fan. I prefer KDE. If I install KDE and purge Gnome, will I technically have Kubuntu and my 5 year support drop to 3? Thanks.
2 Answers
If you choose to use KDE instead of GNOME, LTS support will not be disabled. This is true with using all other desktop environments. If you delete GNOME Desktop Environment completely (GDM3 and such would be deleted, probably to be replaced by LightDM or another display manager) LTS support will still not be disabled. LTS support is connected with your Ubuntu version, not GNOME. GNOME is simply the default window manager. Also, there is a big difference between Ubuntu running KDE and Kubuntu. Kubuntu 20.04's LTS support is available through 2023 whereas Ubuntu with KDE has LTS support through 2025, just like Ubuntu 20.04 running GNOME. For more information regarding this, see LTS support for Kubuntu vs Ubuntu
Also, installing KDE will not change Ubuntu to Kubuntu. It will still be Ubuntu, just using the KDE Plasma desktop environment.
One more thing: According to https://linuxhint.com/kubuntu-vs-ubuntu/#:~:text=The%20significant%20difference%20between%20Kubuntu,doesn't%20look%20like%20Windows., the main difference between Ubuntu and Kubuntu is the GUI. Kubuntu is supposed to look like Windows. It also says that Kubuntu is faster than Windows. Kubuntu was designed to be more easily customized and can easily switch between interfaces. Ubuntu, on the other hand, is not nearly as easy to customize (and is focused on running software (freeware/third party) seamlessly along with the ease/convenience of the user, unlike Kubuntu which is oriented with look and customization instead of convenience). Just changing the DE on Ubuntu will keep the Ubuntu settings and will not use the settings that Kubuntu uses by default.
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