Because I’m tired of always doing a google search for this I writing the same thing which has been written dozens of times before, but at least I’ll know where to find it now…and now you will too.
To show hidden files on your mac launch Terminal and enter these commands:
defaults write com.apple.Finder AppleShowAllFiles TRUE
Now you need to relaunch Finder by killing it in order for the changes to take effect:
To reverse this change and go back to hidden files:
defaults write com.apple.Finder AppleShowAllFiles FALSE