yeah I meant e.g. edit a config file and forget that you did, or lose the original (nowadays you might be able to Google for it, and get the wrong version and m

yeah I meant e.g. edit a config file and forget that you did, or lose the original (nowadays you might be able to Google for it, and get the wrong version and make things even more confusing). on nixos anything that you do has to be explicit in your config and thus it can be undone as needed.