Linux Learning Note--DF/DU command (view disk Space command)

Source: Internet
Author: User
Tags disk usage

DF: English name disk free, check the use of the hard disk.
Du: English name disk usage, view the file size of the specified directory.

1. Command format

df[选项][文件]du[选项][文件]

2. DF Common Options

"df -a"    全部文件系统列表。"df -h"    人性化显示文件大小,如100K212G等。"df -k"    以k字节的形式表示文件的大小。(1k=1024Byte)"df -l"    只显示本地文件系统。"df -m"    以m字节的形式表示文件的大小。(1M=1024K)

3. Du common options

"du -a"    输出所有文件的磁盘用量,不仅仅是目录。"du -b"    以字节的形式表示文件的大小。"du -c"    显示总计信息。"du -h"    人性化显示文件大小,如100K212G等。"du -k"    以k字节的形式表示文件的大小。(1k=1024Byte)"du -m"    以m字节的形式表示文件的大小。(1M=1024K)"du -s"    仅显示总计,只列出最后加总的值。

4. Common examples:

1) 查看整个磁盘还剩多少空间。

2) 查看test目录的磁盘占用情况。

3) 查看test目录下的log.txt文件的磁盘占用情况。

4) 查看test目录以及子目录的磁盘占用情况。

5) 查看test目录下的文件和子目录的磁盘占用情况。

6) 查看test目录下的所有文件的磁盘占用情况。

Linux Learning Note--DF/DU command (view disk Space command)

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