How to Set Permissions Recursively for Files and Directories in Mac, Linux and Unix

1. Open a Terminal Session

2. Login as the Root User:

   su root

   To set permissions for Directories:

   find path/To/Root/Directory -type d -print0 | xargs -0 chmod 755

   To set permissions for Files:

   find path/To/Root/Directory -type f -print0 | xargs -0 chmod 744