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date >> /home/backupluc/monitor/loadavg.txt
top -b -n 1 | grep Cpu >> /home/backupluc/monitor/loadavg.txt
top -b -n 1 | grep average >> /home/backupluc/monitor/loadavg.txt
top -b -n 1 | grep mysql >> /home/backupluc/monitor/loadavg.txt
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原文地址：http://www.cnblogs.com/you-jia/p/4875075.html
