Show hidden files Mac OS X 10.7 Lion and 10.8 Mountain Lion

To enable hidden files/folders in finder windows:

Open Finder
Open the Utilities folder
Open a terminal window
Copy and paste the following line in:

defaults write com.apple.Finder AppleShowAllFiles YES

Press return
Now hold ‘alt’ on the keyboard and right click on the Finder icon
Click on Relaunch
You should find you will now be able to see any hidden files or folders. One you are done, perform the steps above however, replace the terminal command in step 4 with:

defaults write com.apple.Finder AppleShowAllFiles NO


How to Show Hidden Files and Folders in Windows

Windows operating systems have got a lot of secrets, more than you think. In fact, there are some files and folders which, by default, are hidden and concealed for security reasons. If you want to be able to see what Windows (XP, Vista and 7) try to take away from your eyes, here is a simple trick for you. Be-aware! These hidden files and folders are invisible for your own safety! So, do not mess up with them!
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