xitab
rmitab
chitab
delitab
第1题：
Which of the following commands should be used to show DNS information？（）
第2题：
Which of the following commands should be used to obtain information about the software packages available on the installation media？（）
第3题：
A.xitab
B.rmitab
C.chitab
D.delitab
第4题：
Which of the following commands should be used to delete an entry from the /etc/inittab?（）
第5题：
Which of the following commands should be used to monitor the number of threads on the scheduler’s run queue for any given interval？（）
第6题：
Which of the following commands should be used to observe the number of system calls per second? （）
第7题：
Which of the following WLM commands should be used to monitor performance on a system running wlm？（）
第8题：
Which of the following commands is used to delete an empty directory?（）
第9题：
Which of the following commands should be used to tune parameters of devices that are displayed with lsattr？（）
第10题：
Which of the following commands should be used to obtain information about the installed software？（）