An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open /var/adm/sa/sa07. Which of the following should be scheduled in adm’s crontab to obtain sar reports？（）
- A、sa1
- B、sar
- C、vmtune
- D、schedtune
正确答案:A
答案解析:有
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