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Use of du & df commands (with examples)
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du 及 df 命令的使用(附带示例)
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======
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In this article I will discuss du & df commands. Both du & df commands are important utilities of Linux system & shows disk usage of Linux filesystem. Here we will share usage of both commands with some examples.
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在本文中,我将讨论 du 和 df 命令。du 和 df 命令都是 Linux 系统的重要工具,来显示 Linux 文件系统的磁盘使用情况。这里我们将通过一些例子来分享这两个命令的用法。
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**(Recommended Read:[Files transfer using scp & rsync commands][1])**
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**(推荐阅读:[使用 scp 和 rsync 命令传输文件][1])**
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**(Also Read:[Cloning Disks using dd & cat commands for Linux systems][2])**
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**(另请阅读:[使用 dd 和 cat 命令为 Linux 系统克隆磁盘][2])**
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### du COMMAND
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### du 命令
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du command (short for disk usage) is useful command which is used to find disk usage for files & directories. du command when used with various options provides results in many formats.
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du(disk usage 的简称)是用于查找文件和目录的磁盘使用情况的命令。du 命令在与各种选项一起使用时能以多种格式提供结果。
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Some of the examples are mentioned below:-
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下面是一些例子:
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**1- To find out summary of disk usage for a directory with all its sub-directories**
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**1- 得到一个目录下所有子目录的磁盘使用概况**
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```
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$ du /home
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@ -22,9 +20,9 @@ Some of the examples are mentioned below:-
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![du command][4]
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Output of the command shows all the files & directories in /home with block size.
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该命令的输出将显示 /home 中的所有文件和目录以及显示块大小。
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**2- Disk usage with file/directory sizes in human readable format I.e. in kb, mb etc**
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**2- 以人类可读格式也就是 kb、mb 等显示文件/目录大小**
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```
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$ du -h /home
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@ -32,7 +30,7 @@ Output of the command shows all the files & directories in /home with block size
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![du command][6]
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**3- Total disk size of a directory**
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**3- 目录的总磁盘大小**
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```
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$ du -s /home
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@ -40,15 +38,15 @@ Output of the command shows all the files & directories in /home with block size
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![du command][8]
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It will total size of /home directory.
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它是 /home 目录的总大小
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### df COMMAND
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### df 命令
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df command (short for disk filesystem) is used to show disk utilization for a Linux system.
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df(disk filesystem 的简称)用于显示 Linux 系统的磁盘利用率。
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Some examples are shared below.
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下面是一些例子。
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**1- To display information of device name, total blocks, total disk space, used disk space, available disk space and mount points on a file system.**
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**1- 显示设备名称、总块数、总磁盘空间、已用磁盘空间、可用磁盘空间和文件系统上的挂载点。**
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```
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$ df
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@ -57,7 +55,7 @@ Some examples are shared below.
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![df command][10]
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**2- Information in human readable format**
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**2- 人类可读格式的信息**
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```
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$ df -h
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@ -65,9 +63,9 @@ Some examples are shared below.
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![df command][12]
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Above command displays information in human readable format.
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上面的命令以人类可读格式显示信息。
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**3- Display information of a particular partition**
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**3- 显示特定分区的信息**
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```
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$ df -hT /etc
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@ -75,21 +73,20 @@ Above command displays information in human readable format.
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![df command][14]
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Using -hT with a target directory will show information of /etc/ in human readable format.
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-hT 加上目标目录将以可读格式显示 /etc 的信息。
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Though there are many more options that can be used with du & df commands, but these should get you started. If you don't find what you are looking for here then you can always refer to man pages for the concerned command.
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虽然 du 和 df 命令有更多选项,但是这些例子可以让你初步了解。如果在这里找不到你要找的东西,那么你可以参考有关命令的 man 页面。
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Also, read my other posts [**HERE**][15] where i have shared some other important & frequently used Linux.
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And as always your comments/queries are really appreciated, so please leave your comments/queries down below & I will get back to you.
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另外,[**在这**][15]阅读我的其他帖子,在那里我分享了一些其他重要和经常使用的 Linux 命令。
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如往常一样,你的评论和疑问是受欢迎的,因此在下面留下你的评论和疑问,我会回复你。
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--------------------------------------------------------------------------------
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via: http://linuxtechlab.com/du-df-commands-examples/
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作者:[SHUSAIN][a]
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译者:[译者ID](https://github.com/译者ID)
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译者:[geekpi](https://github.com/geekpi)
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校对:[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
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