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ok I figured out that the system folder is hidden and the following command in a terminal windows makes it visible: defaults write com.apple.finder AppleShowAllFiles TRUE && killall Finder and the following command in a terminal makes it invisible again: defaults write com.apple.finder AppleShowAllFiles FALSE && killall Finder but now when I try to drag the files to override the files it says that it can't because the file that I'm trying to override is invisible, what am I supposed to do?