显示路径：
defaults write com.apple.finder _FXShowPosixPathInTitle -bool TRUE;killall Finder
还原：
defaults delete com.apple.finder _FXShowPosixPathInTitle;killall Finder
显示路径：
defaults write com.apple.finder _FXShowPosixPathInTitle -bool TRUE;killall Finder
还原：
defaults delete com.apple.finder _FXShowPosixPathInTitle;killall Finder
原文：https://www.cnblogs.com/Mr-ZeroW/p/8414609.html