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The standard backup question
(lemmy.ml)
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian provides more than a pure OS: it comes with over 59000 packages, precompiled software bundled up in a nice format for easy installation on your machine.
Installing specific things both from the repo and from elsewhere (Minecraft), Minor UI tweaks - move the panel to the left side (wide monitor), Konsole settings for colors, font(dotted zero), font size (bigger), 80x25 window. Probably others but that's all I remember for now.
User settings are stored in the home directory, so you already have them backed up with rsync. If you didn't omit dotfiles, of course.