Task C: Unset SGID permissions (15 points)

Step 1. Switch to root account. To disallow group members to access the files in the shared folder, you

need to fix the sharing issue by setting the correct SGID group values to /home/cyse_project directory

to remove the group user read permission.

Step 2. Switch to Sophia's account. Copy "Sophia_homework" to the /home/cyse_project directory as

"Sophia_homework3".

Step 3. Switch to Olivia's account. Try to read "Sophia_home3" in the /home/cyse_project directory.

task D

Step 1. Switch to Olivia account. Delete Sophia_ homework" in the /home/cyse_project directory.

Step 2. Switch to root account. Set the sticky bit permission, to make files can only be removed by the

owner of the file.

Step 3. Switch to Olivia account. Try to delete Sophia_ homework3" in the /home/cyse_project

directory. Can you delete it this time? Why?