defaults write com.apple.finder AppleShowAllFiles -bool false
The quickest way to toggle hidden files on and off doesn't involve a link or a menu at all. It’s a built-in system shortcut that works instantly within any window. The Shortcut: Command + Shift + Period (.) How to use it: show hidden finder link
Are you trying to find a , or are you just looking to clean up disk space by deleting hidden caches? defaults write com