macOS Terminal Tutorial for Beginners

Administering

8. 8. Getting Admin Power

   Last How to Get the Admin Super-Powers
   So to Check What User you are on:

   whoami

   Then to Login as SuperUser:

   su -

   If Got “User is Not in Sudoers file” then see: How to Enable sudo

   Then to Logout:

   exit

   To Protect your System from the potential Damage of an Hazardous Crazy Command Execution the Logout should be executed every Time your Setup is Achieved!
   Finally, to Execute a Single Command as SuperUser:

   su -c 'myCommand'

   Or:

   sudo myCommand

   So for instance to List the Protected root Directory try to run:

   sudo ls /root

9. 9. Setting Permissions

   How to Change Permissions on macOS File System

   macOS Change File Permissions

   Setting Up Permissions on macOS

Congratulations, you are now fully Initiated to the awesome macOS Command Line Shell. ;)