Show hidden files in Finder

To show the hidden files and folders in Finder, launch terminal and enter the following syntax:

defaults write com.apple.finder AppleShowAllFiles TRUE

killall Finder

Launch Finder and you should now be able to see the hidden files and folders.

To hide the hidden files and folders again launch, terminal and enter the following syntax:

defaults write com.apple.finder AppleShowAllFiles FALSE

killall Finder