###1.清理前内存使用情况 ```shell free -m ``` ###2.开始清理 ```shell #echo 1 > /proc/sys/vm/drop_caches ``` ###3.清理后内存使用情况 ```shell free -m ``` Last modification:August 13, 2021 © Allow specification reprint Support Appreciate the author AliPayWeChat Like 0 If you think my article is useful to you, please feel free to appreciate