The story that has to be told about operation and maintenance and Linux disks

Overview

In Linux systems, checking disk usage is a key task, which can help us fully understand the system storage status and manage files and applications more effectively. The duf command is a command line tool that provides detailed disk usage information and displays it in an intuitive and easy-to-understand way, making it simple and intuitive to check the disk situation.

The duf command is a terminal tool designed to simplify the use of the Linux commands df and du. Although the df and du commands are powerful, their output formats can be a little complicated for novices. The duf command improves this, displaying disk usage in a friendlier and more intuitive way. Additionally, the duf command is written in Golang, so it can easily run on multiple platforms, including Windows, Android, macOS, and FreeBSD.

Function

The duf command provides powerful functions to make disk usage more intuitive.

duf command provides a concise and easy-to-understand overview, showing information about all mounted devices, including details of local devices, cloud storage devices, and other special devices. This allows users to easily view usage across all devices.

The duf command can check the available space of the mount point based on the specified directory or file name, making it convenient for users to check the disk usage of a specific file or directory.

Modify the output columns of the duf command so that only the information you care about is displayed.

4. List inode information: The duf command can list inode information. This allows you to view the inode usage of the file system.

duf command can be sorted based on size or usage, etc., helping to quickly find the most or least used devices.

6. Support JSON output: The duf command supports JSON output. This allows you to export the output information in JSON format for further processing and analysis.

7. If the theme of the terminal cannot be automatically detected, you can specify the theme: duf command. If the theme of the terminal cannot be automatically detected, you can specify the theme. This allows you to customize the color and style of the output to your liking.

usage

To use the duf command, simply enter the "duf" command in the terminal. Here are a few common usage examples:

1. View help:

If you want to view all duf’s available commands at a glance, you can enter:

duf --help

This command will display the help information of the duf command, including all available options and parameters.

2. Only view detailed information of locally connected devices:

If you only want to view the details of the locally connected device and nothing else, you only need to enter:

duf --only local

This command will only display the disk usage of the local device.

3. Sort the output in a specific order based on size:

Another example is to sort the output in a specific order based on size, here is what you need to enter:

duf --sort size

This command will sort the output according to the size of the device, from large to small.

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