To change file and folder permissions on macOS in bulk use the find command. In terms of the ideal permissions, the following is what I recommend.

  • Files: Set the permissions to 644.
  • Direcories: Set the permissions to 755.

However, you can decide on your own if you prefer.

With your permission decided, run the following commands with your desired path:

find /your/path/here -type d -exec chmod 755 {} \;
find /your/path/here -type f -exec chmod 644 {} \;

P.S. I recently migrated project files from an external hard drive and needed to change the file permission to the proper levels. I sourced the approach on Stack Overflow.


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