I'm reinstalling Ubuntu, and I see that there's this "upgrade" option that lets me reinstall Ubuntu while keeping files and software when possible, but says that "system wide settings" will be cleared. Are the config files and folders in my home folder ".something" go away with this or only things like sources.list? Thanks.
I've tested the upgrade. I have a separate primary root (
Before upgrading, it is always advised to create backups from the key areas of the system. Eg.: