sar
lslv
iostat
filemon
第1题：
Which of the following commands should be used to observe the number of system calls per second? （）
第2题：
Which of the following WLM commands should be used to monitor performance on a system running wlm？（）
第3题：
Which of the following commands will display the name of the IOS image file being used in a Cisco router?（）
第4题：
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）
第5题：
Which of the following commands should be used to delete an entry from the /etc/inittab?（）
第6题：
Which of the following commands should be used to obtain information about the software packages available on the installation media？（）
第7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8题：
Which of the following commands should be used to show DNS information？（）
第9题：
Which of the following commands should be used to show the percentage of time that any given disk was busy？（）
第10题：
Which of the following commands should be used to report statistics on network protocols used by the system？（）