KDE
Linux
An introduction to KDE - KDE UserBase Wiki
Try KDE6 in container https://community.kde.org/Neon/Containers
KDE config file paths
https://github.com/shalva97/kde-configuration-files
How to add background image to Konsole
Settings » Edit Current Profile » Appearance tab Click the "Edit" button on the right and there is an option to add a background image on that.
https://forum.kde.org/viewtopic.php%3Ff=227&t=174018.html#p452684