free -h可用内存

根据引用和的内容，可以解释free -h命令中的available字段表示的是从应用程序的角度看到的可用内存数量。它是在不需要swap内存的情况下，通过从free、buffers和cache这三个值中计算得出的。所以，available = free + buffers + cache。所以，当我们使用free -h命令查看可用内存时，需要注意这个数值可能不是完全准确的。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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