单项选择题 A system does not have a nameserver defined for IP address resolution. What file does AIX use to determine the IP address of a remote system?（）

单项选择题 An operator wants to view all the scheduled jobs on a system. Which of the following locations would house scheduled jobs?（）

单项选择题 An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）