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 of -rw-r--r--?
The umask determines the default permission for new files. To get -rw-r--r-- (644), the umask should be set to 0027. This sets the permissions to allow read and write for the owner, read-only for the group, and no permissions for others.
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