1. In view of all the trouble that students can cause if they get to be superuser, why does this concept exist in the first place?
2. A professor shares files with his students by placing them in a publicly accessible directory on the Computer Science department"s Linux system. One day he realizes that a file placed there the previous day was left world-writable. He changes the permissions and verifies that the file is idendcal to his master copy. The next day he finds that the file has been changed. How could this have happened and how could it have been prevented?
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here