MAC显示文件夹路径
终端命令
1、显示路径：defaults write com.apple.finder _FXShowPosixPathInTitle -bool TRUE;killall Finder
2、隐藏路径：defaults delete com.apple.finder _FXShowPosixPathInTitle;killall Finder
原文：http://www.cnblogs.com/xiaoa/p/6156338.html
