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					用du命令查看各目录大小 
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<span class="label">Date</span>
<abbr class="published" title="2012-02-14T00:00:00">
	<i class="icon-calendar"></i>二 14 二月 2012
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		<p>du用来计算目录的磁盘用量. 具体的参数可以用man或者--help, 这里不贴了(其实我也没仔细看...). 今天看见水源上有人说 用 -sh这个参数比较好:</p>
<p>-s: 只计算各个目录的总用量(就是说不要递归操作) 后面跟着<em>或者.</em>就可以查看各个目录的大小了.
-h: 易于查看的方式</p>
<p>比如~/目录经常不知道为什么空间在减少, 那就运行:</p>
<p><code>du -sh ~/*</code> 以及 <code>du -sh /.*</code></p>
<p>即可</p>
<p>有时候文件夹比较多的情况, 还是不容易发现那个文件夹占用了大部分空间, 这时用sort命令对du的结果进行排序就行了!
参考了<a href="http://www.xn--b0t733db8c.com/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/12950504311.html">这里</a>, 顺便学会了: 两条一起执行是用"|"进行分割的.</p>
<p>所以命令为:</p>
<div class="codehilite"><pre><span class="n">du</span> <span class="o">-</span><span class="n">sm</span> <span class="o">~/*</span> <span class="o">|</span> <span class="n">sort</span> <span class="o">-</span><span class="n">nr</span>
</pre></div>


<p>注意这时du不能用-h参数, 因为这样的话文件可能是以M为单位也可能是以k为单位, 而sort的时候只看前面的数字值, 不看单位. 用-m参数, 表示让所有结果以M为单位显示.</p>
<p><strong>imported from zim</strong></p>
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