This Video Show How to Hide Folder in Mac OS
*Commands
To display hidden folders in your finder
defaults write com.apple.finder AppleShowAllFiles True; killall Finder
List of files & folders in the Directory
ls
To Open a Directory or Folder
cd foldername
Create a Hidden Folder
mkdir .foldername
To change "True" to "False"
defaults write com.apple.finder AppleShowAllFiles False; killall Finder
Hide Folders (Existing Folder) in Mac OS [Method 2]
watch this video: • Hide Folders (Existing Folder) in OS ...