Log into NDG, using the Workstation machine to answer the following questions. Note: Complete these steps before you begin this quiz: Create a directory named My_Quiz7. Within that directory create 5 empty files named demo1.txt, demo2.txt, demo3.txt, demo4.txt, and demo5.txt. Then create a group named HR and create a user named Sam. 1. Type the command with the appropriate option to set permissions for demo1.txt and demo2.txt using the octal method. Once complete, run the LL command to verify. User: read \& write Group: read, write, and execute Other: write \& execute Insert Screenshot Below: 2. Type the command with the appropriate options to change the user owner of demo3.txt to Sam and the group owner to the HR group. Once complete run the LL command on demo3.txt to verify. Insert Screenshot Below: 3. Type the command with the appropriate option to set the group owner for the directory My_Quiz7 and all its contents to the HR group. Once complete, run the 11 command against the My_Quiz7 directory to verify. Insert Screenshot Below: 4. Type the command with the appropriate option to set the special permission for the directory My_Quiz7, so that new files created in the directory have their group owner set to match the group owner of the directory. Once complete run the 11 command on the My_Quiz7 file. (You should see the s added to the group permissions. sudo may or may not be needed) Insert Screenshot Below