Show hidden files on Mac OS X Lion

The easiest way how to show hidden files in finder is to run a command in terminal: 
  • Open the Terminal application (Applications > Utilities > Terminal.app)
  • Type in the following without the quotes “defaults write com.apple.Finder AppleShowAllFiles TRUE”
  • Hit the ‘Enter’ key
  • Restart the Finder by holding ‘Option’, click and hold on the icon. Click ‘Relaunch’
To hide them again use this command:
  • To re-hide the files type “defaults write com.apple.Finder AppleShowAllFiles FALSE”
  • Then restart the Finder again.

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