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[#]: via: (https://www.2daygeek.com/find-get-size-of-directory-folder-linux-disk-usage-du-command/)
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[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
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How to Get the Size of a Directory in Linux
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如何获取 Linux 中的目录大小
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======
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You may have noticed that the size of a directory is showing only 4KB when you use the **[ls command][1]** to list the directory content in Linux.
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你应该已经注意用到,在 Linux 中使用 **[ls 命令][1]** 列出的目录内容中,目录的大小仅显示 4KB。
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Is this the right size? If not, what is it, and how to get a directory or folder size in Linux?
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这个大小正确吗?如果不正确,那它代表什么,又该如何获取 Linux 中的目录或文件夹大小?
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This is the default size, which is used to store the meta information of the directory on the disk.
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这是一个默认的大小,用来存储磁盘上存储目录的元数据。
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There are some applications on Linux to **[get the actual size of a directory][2]**.
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Linux 上有一些应用程序可以 **[获取目录的实际大小][2]**.
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But the disk usage (du) command is widely used by the Linux administrator.
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但是,磁盘使用率(du)命令已被 Linux 管理员广泛使用。
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I will show you how to get folder size with various options.
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我将向您展示如何使用各种选项获取文件夹大小。
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### What’s du Command?
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### 什么是 du 命令?
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**[du command][3]** stands for `Disk Usage`. It’s a standard Unix program which used to estimate file space usage in present working directory.
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**[du 命令][3]** 表示 <ruby>Disk Usage<rt>磁盘使用率</rt></ruby>。这是一个标准的 Unix 程序,用于估计当前工作目录中的文件空间使用情况。
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It summarize disk usage recursively to get a directory and its sub-directory size.
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它使用递归方式总结磁盘使用情况,以获取目录及其子目录的大小。
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As I said, the directory size only shows 4KB when you use the ls command. See the below output.
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如同我说的那样, 使用 ls 命令时,目录大小仅显示 4KB。参见下面的输出。
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```
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$ ls -lh | grep ^d
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@ -40,9 +40,9 @@ drwxr-xr-x 13 daygeek daygeek 4.0K Jan 6 2019 drive-mageshm
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drwxr-xr-x 15 daygeek daygeek 4.0K Sep 29 21:32 Thanu_Photos
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```
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### 1) How to Check Only the Size of the Parent Directory on Linux
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### 1) 在 Linux 上如何只获取父目录的大小
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Use the below du command format to get the total size of a given directory. In this example, we are going to get the total size of the **“/home/daygeek/Documents”** directory.
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使用以下 du 命令格式获取给定目录的总大小。在该示例中,我们将得到 **“/home/daygeek/Documents”** 目录的总大小
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```
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$ du -hs /home/daygeek/Documents
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@ -52,20 +52,19 @@ $ du -h --max-depth=0 /home/daygeek/Documents/
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20G /home/daygeek/Documents
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```
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**Details**:
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**详细说明**:
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* du – It is a command
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* h – Print sizes in human readable format (e.g., 1K 234M 2G)
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* s – Display only a total for each argument
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* –max-depth=N – Print levels of directory
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* du – 这是一个命令
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* h – 以人类可读的格式显示大小 (例如 1K 234M 2G)
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* s – 仅显示每个参数的总数
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* –max-depth=N – 目录的打印级别
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### 2) 在 Linux 上如何获取每个目录的大小
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### 2) How to Get the Size of Each Directory on Linux
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使用以下 du 命令格式获取每个目录(包括子目录)的总大小。
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Use the below du command format to get the total size of each directory, including sub-directories.
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In this example, we are going to get the total size of each **“/home/daygeek/Documents”** directory and it’s sub-directories.
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在该示例中,我们将获得每个 **“/home/daygeek/Documents”** 目录及其子目录的总大小。
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```
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$ du -h /home/daygeek/Documents/ | sort -rh | head -20
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@ -92,9 +91,9 @@ $ du -h /home/daygeek/Documents/ | sort -rh | head -20
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150M /home/daygeek/Documents/drive-2daygeek/Thanu-photos-by-month/Nov-2016
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```
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### 3) How to Get a Summary of Each Directory on Linux
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### 3) 在 Linux 上如何获取每个目录的摘要
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Use the below du command format to get only the summary for each directory.
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使用如下 du 命令格式仅获取每个目录的摘要。
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```
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$ du -hs /home/daygeek/Documents/* | sort -rh | head -10
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@ -111,9 +110,9 @@ $ du -hs /home/daygeek/Documents/* | sort -rh | head -10
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96K /home/daygeek/Documents/distro-info.xlsx
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```
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### 4) How to Display the Size of Each Directory and Exclude Sub-Directories on Linux
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### 4) 在 Linux 上如何获取每个目录的不含子目录的大小
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Use the below du command format to display the total size of each directory, excluding subdirectories.
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使用如下 du 命令格式来展示每个目录的总大小,不包括子目录。
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```
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$ du -hS /home/daygeek/Documents/ | sort -rh | head -20
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@ -140,9 +139,9 @@ $ du -hS /home/daygeek/Documents/ | sort -rh | head -20
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90M /home/daygeek/Documents/drive-2daygeek/Thanu-photos-by-month/Dec-2017
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```
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### 5) How to Get Only the Size of First-Level Sub-Directories on Linux
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### 5) 在 Linux 上如何仅获取一级子目录的大小
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If you want to get the size of the first-level sub-directories, including their subdirectories, for a given directory on Linux, use the command format below.
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如果要获取 Linux 上给定目录的一级子目录(包括其子目录)的大小,请使用以下命令格式。
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```
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$ du -h --max-depth=1 /home/daygeek/Documents/
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@ -155,9 +154,9 @@ $ du -h --max-depth=1 /home/daygeek/Documents/
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20G /home/daygeek/Documents/
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```
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### 6) How to Get Grand Total in the du Command Output
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### 6) 如何在 du 命令输出中获得总计
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If you want to get the grand total in the du Command output, use the below du command format.
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如果要在 du 命令输出中获得总计,请使用以下 du 命令格式。
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```
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$ du -hsc /home/daygeek/Documents/* | sort -rh | head -10
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