Which two statements are true about administering the use of the sudo command in Oracle Linux?
A. visudo will never save the /etc/sudoers file if there are syntax errors in the file after editing
B. visudo prompts for an action if there are syntax errors in the /etc/sudoers file after editing
C. Using vi to edit the /etc/sudoers opens the file read-only
D. Multiple administrators may edit the /etc/sudoers file simultanously using visudo but only one may save the edited result
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