Linux之定时自动清理释放内存脚本

#！/bin/bash mem_total=`free -m | awk 'NR==2' | awk '{print $2}'` mem_free=`free -m | awk 'NR==3' | awk '{print $4}'` mem_used=`free -m | grep Mem | awk '{print $3}'` if (($mem_used!=0));then mem_p

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