Creating a linux distribution?

Question

linux

Good day, I have a question, I make my distribution based on kde neon using the cubic ubuntu imager program, where does the neon user come from when the system starts in live sd and where do they come from. Config and .Local settings of the user on the Internet, I could not find information. Even if I put my konyig and local files in the folder, then when installing the system on the disk, the default ones are still applied where to find them and where they come from, I still could not find help plizz

Answer 1

see /etc/skel
Why do you make a custom distro?