5.4.3 Ensure default group for the root account is GID 0

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The usermod command can be used to specify which group the root user belongs to. This affects permissions of files that are created by the root user. Using GID 0 for the root account helps prevent root -owned files from accidentally becoming accessible to non-privileged users.


Run the following command to set the root user default group to GID 0: # usermod -g 0 root

See Also