What is the purpose of the man command in Linux?

The `man` command is used to display and manipulate manual pages, which are help documents for the Linux system that contain information on how to use various commands, parameters, options, and examples. By using the `man` command, users can access the manual pages for installed commands, libraries, system calls, etc., to help them better understand and use these commands and functions.

The man command can be used to view detailed information about the syntax, parameters, and options of a command, as well as to learn and understand various features and operations of the Linux system. It is a very commonly used command in the Linux system, and is a useful tool for both new and experienced users.