Because of changes in an application environment， the /etc/inittab file needs to be modified. 
Which of the following commands would be used to accomplish this in a supported manner（）

A System p administrator is reviewing root’s command history on a development server and finds that a junior adminstrator had been attempting to correct a full file system. One of the following commands caused damage that must be corrected. 
Which command was it（）

The company auditors require a System p administrator to archive detailed information from each of their systems. 
Which of the following commands will accomplish this task（）

A System p administrator is investigating a possible security breech and wants to review 
information about failed login attempts to the system. 
Which of the following commands will show this（）