What is the function of the list command in Linux system?

In the Linux system, the list command is referred to as ls, which means list in Chinese. ls is the most common directory operation command. Its main function is to display the contents of the specified working directory and provides a variety of options and parameters. So what is the role of the list command in the Linux system? The following is a detailed introduction.

In Linux systems, the ls command is very commonly used to display files and subdirectories in a directory. Different output formats can be obtained through different options.

　ls: Simply list the files and subdirectories in the current directory.

　ls -l: Display detailed information of files and subdirectories in a detailed list, including file permissions, owner, size, modification time, etc.

　ls -a: Display all files and subdirectories, including hidden files starting with .

　ls -h: Display the size of files and subdirectories in human-readable format.

　ls -t: Sort by last modification time, the latest files or subdirectories will be displayed at the top.

　ls -r: Display files and subdirectories in reverse order.

　You can also use multiple options together, such as ls -l -a or ls -lhtr. In addition, there are some other options available to further customize the output, you can view the full documentation of the ls command and learn more options and usage through the man
ls command.

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