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Show hidden files in Mac Finder by default

Published: 2019-10-11

A one-time thing #

  1. Press Command - Shift - . to toggle hidden files when in Finder

Make it permanent #

  1. Set the default

    defaults write com.apple.finder AppleShowAllFiles YES
    
  2. Confirm that the default is set

    defaults read com.apple.finder AppleShowAllFiles
    
  3. Hold Option key, right-click Finder, then click Relaunch to pick up the new default

Revert it #

  1. In the write command above, replace YES with NO

    defaults write com.apple.finder AppleShowAllFiles NO