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How to check disk usage in linux

青灯夜游
Release: 2019-02-27 17:30:52
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In Linux, you can use the df command to view the overall disk usage, or use the du command to view the usage of a specified directory. [Video tutorial recommendation: linux tutorial]

How to check disk usage in linux

1. Use the df command to view the overall disk usage

The df command is used to view the mount point of the hard disk and the corresponding hard disk capacity information. Including the total size of the hard disk, the used size, and the remaining size. And the percentage of space used, etc.

The most commonly used command format is:

df -h
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or use:

df -lh
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Output:

How to check disk usage in linux

##Filesystem refers to It is the hardware device file on the system, and Size refers to the total size of the hard disk or partition. Used indicates the size that has been used, and Available indicates the size that can be used. Use% represents the percentage of space that has been used. The last mounted on indicates the directory to which the hard disk is mounted.

Description: Parameters that can be added after the df command

● -a: List all file systems, including system-specific /proc and other file systems

● -k: Display each file system in KB capacity

● -m: Display each file system in MB capacity

● -h: Display each file system in GB which is easier for people to read , MB, KB and other formats are displayed by themselves

● -H: Use M=1000K to replace the carry method of M=1024K

● -T: Display the file system type

● -i: No hard disk capacity is used, but the number of inodes is displayed

● -l: Only the local file system is displayed

2. Use the du command to view the specified Directory usage

##du command to view directory or file information inside the hard disk. The du command usually needs to be executed with parameters at the end. The general format is:

du option File/directory
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For example, if I want to check the capacity of the python3 directory in the current directory, the command is:

du -sh  python3
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The result is as shown below Display, you can intuitively see that the size of this directory is 206M. If there is no file name or directory name, the size of the current directory will be displayed.

How to check disk usage in linux

How to check disk usage in linux

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