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## Show and hide files and folders on MAC OS X
1. Open Terminal found in Finder > Applications > Utilities
2. In Terminal, paste the following:
```
defaults write com.apple.finder AppleShowAllFiles YES
```
Press return
3. Hold the ‘Option/alt’ key, then right click on the Finder icon in the dock and click Relaunch.
This will show all hidden files. To hide them again, follow the same steps but replace the Terminal command with:
```
defaults write com.apple.finder AppleShowAllFiles NO
```
More details: https://ianlunn.co.uk/articles/quickly-showhide-hidden-files-mac-os-x-mavericks/
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