清除缓存echo 3

回答: 清除缓存的命令是echo 3 > /proc/sys/vm/drop_caches。这个命令可以清除页面缓存、目录项和inode。执行这个命令后，系统会释放被占用的内存空间，使得更多的内存可用于应用程序的使用。 [1<em>1</em><em>2</em><em>3</em>
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