CompTIA Linux+ (XK0-005) — Question 245

A systems administrator is customizing a new Linux server. Which of the following settings for umask would ensure that new files have the default permissions: -rw-r-----?

Answer options

• A. 0017
• B. 0027
• C. 0038
• D. 0640

Correct answer: B

Explanation

The correct umask value of 0027 subtracts write permissions for group users, resulting in new files having the permissions -rw-r----- (read and write for owner, read for group, no permissions for others). The other options either grant too many permissions or do not match the desired output.