Which of the following commands would accomplish this task?

exams XK0-005 V1 XK0-005 exam 0 Comments

A Linux engineer receives reports that files created within a certain group are being modified by users who are not group members. The engineer wants to reconfigure the server so that only file owners and group members can modify new files by default.

Which of the following commands would accomplish this task?
A . chmod 775
B. umask 002
C. chactr -Rv
D. chown -cf

Answer: A