Linux Command Tutorial: Steps to Create Symbolic Links

In Linux systems, link files are a special type of file that can point to another file or directory, similar to a shortcut in Windows systems. In Linux, there are two types of commonly used link files: hard links and symbolic links (soft links). This article will focus on how to create link files in Linux systems, including hard links and symbolic links, and give specific code examples.

1. Create a hard link file

A hard link refers to a link with multiple file names pointing to the same index node (inode). With hard link files, there is no way to tell which one is the original file because they share the same inode. The following are the steps and sample code for creating a hard link file:

Step :

1. Execute the following command to create a hard link file, where file1 is the original file, hard_link is the hard link file:

ln file1 hard_link

Sample code:

echo "Hello World" > file1   # 创建一个原文件
ln file1 hard_link           # 创建文件的硬链接
ls -li file1 hard_link        # 查看文件的硬链接

2. Create a symbolic link file

Symbolic link (soft link) refers to a link from one file to another file, similar to a shortcut in Windows system. The symbolic link file stores the path of the target file instead of the inode, so it can span file systems and different hard disk partitions. The following are the steps and sample code for creating a symbolic link file:

Step :

1. Execute the following command to create a symbolic link file, where file2 is the original file, symbol_link is the symbolic link file:

ln -s file2 symbol_link

Sample code:

echo "This is a symbolic link file" > file2   # 创建一个原文件
ln -s file2 symbol_link                        # 创建文件的符号链接
ls -l file2 symbol_link                       # 查看文件的符号链接

Summary

Through the introduction of this article, you have learned the steps to create hard link and symbolic link files in the Linux system, and understood the specific code examples. Hard links and symbolic links are widely used in Linux systems and can easily manage files and directories. I hope this article is helpful to you, thank you for reading!

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