How to Show or Hide Hidden Files in OS X Finder

This tutorial will help you show or hide hidden files in your Mac OS X Finder window.

SHOW HIDDEN FILES
Step One
Open a new Terminal window by double clicking its icon in Applications:Utilities.


Step Two
Enter the following commands in the terminal window. (Press enter after each line).


defaults write com.apple.finder AppleShowAllFiles TRUE
killall Finder


Step Three
Your Finder will restart and you will be able to see hidden files!



HIDE HIDDEN FILES
Step One
Open a new Terminal window by double clicking its icon in Applications:Utilities.


Step Two
Enter the following commands in the terminal window. (Press enter after each line).

defaults write com.apple.finder AppleShowAllFiles FALSE
killall Finder


Step Three
Your Finder will restart and you will NOT be able to see hidden files!