天天一个Linux命令-使用du查看文件大小

du命令用以查看文件和目录的大小。能够方便地查看每一个文件和目录所占用的空间。nginx

基本语法

du [options][file]
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可以使用的options值能够经过 man df 命令查阅,这里再也不赘述。bash

实例

显示目录或者文件所占空间:ui

du /opt/log/*
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咱们能够看到log目录下全部的文件大小:spa

20	/opt/log/project/houtai/pc/suyun/log4js/2018-09-28
12	/opt/log/project/houtai/pc/suyun/log4js/2018-06-28
12	/opt/log/project/houtai/pc/suyun/log4js/2018-08-26
16	/opt/log/project/houtai/pc/suyun/log4js/2018-10-27
12	/opt/log/project/houtai/pc/suyun/log4js/2018-07-01
16	/opt/log/project/houtai/pc/suyun/log4js/2018-08-23
20	/opt/log/project/houtai/pc/suyun/log4js/2018-10-22
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经过使用-h让输出的文件大小可读性更好一些:code

du -h /opt/log/*
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能够看到文件大小添加了单位K:io

20	/opt/log/project/houtai/pc/suyun/log4js/2018-09-28
12	/opt/log/project/houtai/pc/suyun/log4js/2018-06-28
12	/opt/log/project/houtai/pc/suyun/log4js/2018-08-26
16	/opt/log/project/houtai/pc/suyun/log4js/2018-10-27
12	/opt/log/project/houtai/pc/suyun/log4js/2018-07-01
16	/opt/log/project/houtai/pc/suyun/log4js/2018-08-23
20	/opt/log/project/houtai/pc/suyun/log4js/2018-10-22
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只展现总计大小:class

du -sh /opt/log/*
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只统计了log目录下子目录的大小,而没有细化到具体的文件。file

0	/opt/log/:
12G	/opt/log/banjia
4.0K	/opt/log/driver-manage
2.1G	/opt/log/fe-sy-banjia
8.7G	/opt/log/fe-sy-lahuo
539M	/opt/log/lahuo
32K	/opt/log/lahuo-work
16G	/opt/log/nginx
157G	/opt/log/project
248K	/opt/log/sale-manage
100K	/opt/log/youpei

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