A Company Wants to Ensure That All Newly Created Files

Multiple Choice

A company wants to ensure that all newly created files can be modified only by their owners and that all new directory content can be changed only by the creator of the directory. Which of the following commands will help achieve this task?

A) umask 0022
B) umask 0012
C) chmod -R 0644 /
D) chmod -R 0755 /