What is the purpose of the os module in Python?

The os module in Python is an interface for interacting with the operating system, providing functions for handling files and directories, as well as the ability to execute system commands and manage processes.

The main features include:

1. File and directory operations: Using the os module, you can create, delete, and rename files and directories, as well as retrieve their attribute information.
2. File path manipulation: The os module can handle file paths, including joining paths, splitting paths, and retrieving absolute paths.
3. System command execution: With the os module, it is possible to execute system commands, such as running other executable files or opening other applications.
4. Process management: The os module allows for the creation, termination, and management of processes, as well as the ability to retrieve information about the current process and run other programs in the background.
5. System environment variables: The os module can access and modify system environment variables, including information related to the operating system.

In conclusion, the os module makes it easy to interact with the operating system and perform various operations related to files, directories, processes, and the system environment.