单项选择题 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（）

单项选择题 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（）

单项选择题 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（）