Introduction to how to view subdirectories of the current directory in Linux

Linux is a widely used operating system. One of its advantages is that it is powerful and highly flexible. In Linux systems, we often need to view the contents of the current directory and its subdirectories in order to understand the structure and organization of files. This article will introduce several methods of viewing subdirectories of the current directory in Linux systems, and attach specific code examples. I hope it will be helpful to beginners.

Method 1: Use the ls command to view subdirectories of the current directory

In the Linux system, the ls command is one of the most commonly used commands to view files and directories. We can use the ls command to list all files and subdirectories in the current directory, including hidden files.

ls

If you want to view all the contents of the current directory and its subdirectories, you can use the ls command combined with the recursive option -R to achieve this:

ls -R

Method 2: Use the find command to find subdirectories

In addition to the ls command, the Linux system also provides the find command, which can be used to find files and directories. We can use the find command to find specific files or directories in the current directory and its subdirectories.

find . -type d

The above command will list all directories in the current directory and its subdirectories. If you want to find a specific type of file, you can change the -d option to -f, as shown below:

find . -type f

Method 3: Use the tree command to view the directory in a tree structure

If you want to To view the current directory and its subdirectories in a more intuitive tree structure, you can use the tree command. In most Linux systems, the tree command is usually not installed by default, and the tree package needs to be installed first.

Install the tree software package:

sudo apt install tree   （适用于Debian/Ubuntu系统）
sudo yum install tree   （适用于CentOS系统）

After the installation is complete, use the tree command to view the current directory and its subdirectories in a tree structure:

tree

Method 4: Use du Command to view the space occupied by a directory

If you want to view the disk space occupied by the current directory and its subdirectories, you can use the du command. The du command recursively calculates the disk space occupied by a directory and displays the space occupied by each subdirectory.

du -h

The above command will display the disk space usage of the current directory and its subdirectories in human-readable format.

Summary

Through several methods introduced in this article, we can easily view the contents and information of the current directory and its subdirectories. When using these commands, you can choose the most suitable method to view the directory structure and information based on your actual needs. I hope the above content can help readers better understand the directory operation methods in Linux systems.

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