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Use of du & df commands (with examples)
du 及 df 命令的使用(附带示例)
======
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.
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。
**(Recommended Read:[Files transfer using scp & rsync commands][1])**
**(推荐阅读:[使用 scp 和 rsync 命令传输文件][1]**
**(Also Read:[Cloning Disks using dd & cat commands for Linux systems][2])**
**(另请阅读:[使用 dd 和 cat 命令为 Linux 系统克隆磁盘][2]**
### du COMMAND
### du 命令
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.
dudisk 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。
Some of the examples are mentioned below:-
下面是一些例子:
**1- To find out summary of disk usage for a directory with all its sub-directories**
**1- 得到一个目录下所有子目录的磁盘使用概况**
```
$ du /home
@ -22,9 +20,9 @@ Some of the examples are mentioned below:-
![du command][4]
Output of the command shows all the files & directories in /home with block size.
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。
**2- Disk usage with file/directory sizes in human readable format I.e. in kb, mb etc**
**2- 以人类可读格式也就是 kb、mb 等显示文件/目录大小**
```
$ du -h /home
@ -32,7 +30,7 @@ Output of the command shows all the files & directories in /home with block size
![du command][6]
**3- Total disk size of a directory**
**3- 目录的总磁盘大小**
```
$ du -s /home
@ -40,15 +38,15 @@ Output of the command shows all the files & directories in /home with block size
![du command][8]
It will total size of /home directory.
它是 /home 目录的总大小
### df COMMAND
### df 命令
df command (short for disk filesystem) is used to show disk utilization for a Linux system.
dfdisk filesystem 的简称)用于显示 Linux 系统的磁盘利用率。
Some examples are shared below.
下面是一些例子。
**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.**
**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。**
```
$ df
@ -57,7 +55,7 @@ Some examples are shared below.
![df command][10]
**2- Information in human readable format**
**2- 人类可读格式的信息**
```
$ df -h
@ -65,9 +63,9 @@ Some examples are shared below.
![df command][12]
Above command displays information in human readable format.
上面的命令以人类可读格式显示信息。
**3- Display information of a particular partition**
**3- 显示特定分区的信息**
```
$ df -hT /etc
@ -75,21 +73,20 @@ Above command displays information in human readable format.
![df command][14]
Using -hT with a target directory will show information of /etc/ in human readable format.
-hT 加上目标目录将以可读格式显示 /etc 的信息。
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.
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。
Also, read my other posts [**HERE**][15] where i have shared some other important & frequently used Linux.
And as always your comments/queries are really appreciated, so please leave your comments/queries down below & I will get back to you.
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。
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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via: http://linuxtechlab.com/du-df-commands-examples/
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