Mac OS X show and hide files

refer to:

How to show and hide files in mac system

Show and hide files on Mac OSX

1. Show hidden files:

Open Terminal and enter the following commands:

defaults write com.apple.finder AppleShowAllFiles -bool true
// 或
defaults write com.apple.finder AppleShowAllFiles  YES

2. Hide hidden files:

defaults write com.apple.finder AppleShowAllFiles -bool false
// 或
defaults write com.apple.finder AppleShowAllFiles  NO

Then restart Finder to see the effect. How to restart Finder: Mouse click on the Apple logo in the upper left corner of the window => Force Quit => Finder => Restart.

2018.5