Linux中du-查看文件夹大小并按大小进行排序详解
<p><strong>Linux中du-查看文件夹大小并按大小进行排序详解</strong></p>
<p>
某天，我想检查一下电脑硬盘的的使用情况，作为一个命令控，废话少说，开始吧：</p>
<p>
使用df 命令查看当前磁盘使用情况：</p>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">df</code> <code class="bash plain">-lh </code>
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<code class="bash plain">Filesystem Size Used Avail Use% Mounted on </code>
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<code class="bash plain">/dev/sda3</code> <code class="bash plain">18G 5.7G 11G 35% / </code>
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<code class="bash plain">udev 2.7G 4.0K 2.7G 1% </code><code class="bash plain">/dev</code>
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<code class="bash plain">tmpfs 553M 916K 552M 1% </code><code class="bash plain">/run</code>
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<code class="bash plain">none 5.0M 0 5.0M 0% </code><code class="bash plain">/run/lock</code>
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<code class="bash plain">none 2.7G 488K 2.7G 1% </code><code class="bash plain">/run/shm</code>
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<code class="bash plain">/dev/sda2</code> <code class="bash plain">946M 128M 754M 15% </code><code class="bash plain">/boot</code>
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<code class="bash plain">/dev/sda1</code> <code class="bash plain">93G 87G 5.5G 95% </code><code class="bash plain">/media/2AA64C7FA64C4D8F_</code>
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<p>
下面du命令就上场了：</p>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">pwd</code>
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<code class="bash plain">/home/jack</code>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">du</code> <code class="bash plain">-sh </code>
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<code class="bash plain">1.9G . </code>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">cd</code> <code class="bash plain">.. </code>
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<code class="bash plain">jack@jiaobuchong:</code><code class="bash plain">/home</code><code class="bash plain">$ </code><code class="bash functions">du</code> <code class="bash plain">-sh jack/ </code>
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<code class="bash plain">1.9G jack/ </code>
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<code class="bash plain">jack@jiaobuchong:</code><code class="bash plain">/home</code><code class="bash plain">$ </code><code class="bash functions">du</code> <code class="bash plain">-h --max-depth=0 jack/ </code>
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<code class="bash plain">1.9G jack/ </code>
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<p>
能看到上边得到的相同的结果吧，</p>
<p>
-s, --summarize display only a total for each argument， -s这个参数的作用就是仅显示总计，即当前文件夹的大小。</p>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">du</code> <code class="bash plain">-sh * </code>
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<code class="bash plain">170M Desktop </code>
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<code class="bash plain">452K Documents </code>
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<code class="bash plain">161M Downloads </code>
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<code class="bash plain">12K examples.desktop </code>
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<code class="bash plain">833M installed-software </code>
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<code class="bash plain">284K learngit </code>
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<code class="bash plain">4.0K Music </code>
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<code class="bash plain">4.7M Pictures </code>
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<code class="bash plain">3.2M program_pratice </code>
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<code class="bash plain">4.0K Public </code>
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<code class="bash plain">112K session </code>
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<code class="bash plain">4.0K Templates </code>
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<code class="bash plain">4.0K Videos </code>
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<p>
* 可以将当前目录下所有文件的大小给列出来。那要将这些列出来的文件按照从大到小的方式排序呢？</p>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">du</code> <code class="bash plain">-sh * | </code><code class="bash functions">sort</code> <code class="bash plain">-nr </code>
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<code class="bash plain">833M installed-software </code>
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<code class="bash plain">452K Documents </code>
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<div class="line number4 index3 alt1">
<code class="bash plain">284K learngit </code>
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<code class="bash plain">170M Desktop </code>
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<div class="line number6 index5 alt1">
<code class="bash plain">161M Downloads </code>
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<code class="bash plain">112K session </code>
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<div class="line number8 index7 alt1">
<code class="bash plain">12K examples.desktop </code>
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<code class="bash plain">4.7M Pictures </code>
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<code class="bash plain">4.0K Videos </code>
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<div class="line number11 index10 alt2">
<code class="bash plain">4.0K Templates </code>
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<div class="line number12 index11 alt1">
<code class="bash plain">4.0K Public </code>
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<code class="bash plain">4.0K Music </code>
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<code class="bash plain">3.2M program_pratice</code>
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<p>
找sort 来帮个忙就可以了。呵呵！这个排序不正常哦，都是因为-h参数的原因，</p>
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<code class="bash plain">jack@jiaobuchong:~$ </code><code class="bash functions">du</code> <code class="bash plain">-s * | </code><code class="bash functions">sort</code> <code class="bash plain">-nr </code>
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<code class="bash plain">852756 installed-software </code>
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<div class="line number3 index2 alt2">
<code class="bash plain">173868 Desktop </code>
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<div class="line number4 index3 alt1">
<code class="bash plain">164768 Downloads </code>
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<div class="line number5 index4 alt2">
<code class="bash plain">4724 Pictures </code>
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<div class="line number6 index5 alt1">
<code class="bash plain">3236 program_pratice </code>
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<div class="line number7 index6 alt2">
<code class="bash plain">452 Documents </code>
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<div class="line number8 index7 alt1">
<code class="bash plain">284 learngit </code>
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<div class="line number9 index8 alt2">
<code class="bash plain">112 session </code>
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<div class="line number10 index9 alt1">
<code class="bash plain">12 examples.desktop </code>
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<code class="bash plain">4 Videos </code>
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<code class="bash plain">4 Templates </code>
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<div class="line number13 index12 alt2">
<code class="bash plain">4 Public </code>
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<code class="bash plain">4 Music </code>
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<p>
这样就正常排序了。</p>
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du -s * | sort -nr | head 选出排在前面的10个，</p>
<p>
du -s * | sort -nr | tail 选出排在后面的10个。</p>
<p>
感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！</p>
<p>
原文链接：http://www.cnblogs.com/0616--ataozhijia/p/6364185.html</p>
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