Apple OSX, Show/Hide Hidden Files and Folders
By default all hidden files and folders are hidden in Apple’s OSX operating system. Here is a quick and simple way to show these hidden files:
Open Terminal and type the following, note your terminal will show your username:
Computer:~ user$ defaults write com.apple.finder AppleShowFiles TRUE
Computer:~ user$ killall Finder
To go back to the default (hidden files are..well.. hidden) type:
Computer:~ user$ defaults write com.apple.finder AppleShowFiles FALSE
Computer:~ user$ killall Finder
Alternatively after executing the first command you can alt/option click the finder icon in your dock and force restart.