os module in python explained

Veröffentlicht am: 12 Juli 2025
auf dem Kanal: programming with miq

🎥 Python os Module Tutorial – Interact with the Operating System Using Python

Welcome to this hands-on Python tutorial where we dive into the powerful os module — a built-in library that allows your Python programs to interact with the operating system. Whether you're working with files, directories, or system-level information, the os module gives you the tools to automate and manage your environment more efficiently.

In this video, we’ll walk you through the most useful features of the os module, how to use them safely, and provide practical examples that you can apply in your own projects.

What You’ll Learn in This Video
Here’s what we’ll cover in this tutorial:

What the os module is and why it's important

How to get information about your system environment

How to navigate and manipulate directories

How to list files and folders in a directory

Creating, renaming, and deleting files and folders

Getting file paths and working with relative vs absolute paths

Using os.path for file path operations

Executing system commands with os.system()

Cross-platform considerations for Windows, Mac, and Linux

Best practices for using the os module in real-world applications

By the end of this video, you’ll be able to write Python code that interacts seamlessly with the file system and the operating system.

What Is the os Module?
The os module is part of Python’s standard library, which means you don’t need to install anything extra. It provides a simple interface to perform operating system tasks like file and directory manipulation, checking environment variables, and running shell commands — all from within your Python scripts.

To start using it, just import the module:

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import os
Navigating Directories
You’ll learn how to view and change the current working directory using:

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os.getcwd() # Get current directory
os.chdir('new_folder') # Change directory
We’ll also explain how to list files and folders:

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files = os.listdir()
print(files)
This is especially useful when you’re building scripts to organize files or process multiple documents.

Creating and Removing Files and Folders
You’ll learn how to create new folders with:

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os.mkdir('new_directory')
And how to remove folders or files safely:

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os.remove('file.txt')
os.rmdir('old_directory')
We’ll also show you how to check if a file or folder exists before attempting to modify it, which helps avoid errors in your scripts.

Working with Paths Using os.path
The os.path submodule gives you tools to build and work with file paths in a platform-independent way:

os.path.join() for combining directory and file names

os.path.exists() to check if a path exists

os.path.isfile() and os.path.isdir() to check the type of a path

These are critical when writing code that needs to run on different operating systems or handle dynamic file locations.

Running System Commands
We’ll introduce os.system() for executing system-level commands directly from Python:

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os.system('dir') # On Windows
os.system('ls') # On Linux or Mac
This can be useful for automation, batch processing, or running shell scripts from within your Python application.

Real-World Use Cases
Throughout the video, we’ll demonstrate practical applications of the os module, such as:

Creating a backup tool that copies files to a new directory

Automatically organizing downloaded files based on file type

Checking and logging system environment variables

Building scripts that clean up unused files from specific folders

Who Should Watch This Video?
This tutorial is ideal for:

Python beginners who want to interact with the operating system

Developers writing automation scripts or CLI tools

Students learning how to manage files and folders with code

Anyone building projects that require file system access

No advanced knowledge is required — we explain every concept clearly and walk through examples step by step.

Keep Learning With Our Python Series
If you enjoyed this video, be sure to check out our full Python playlist. We cover:

File operations

Functions and modules

Loops and conditionals

Object-oriented programming

Working with external libraries

More standard modules like shutil, sys, and datetime

Subscribe to our channel and turn on notifications so you never miss a new tutorial.

Join Our Coding Community
Have questions about the os module or want help with your own scripts? Leave a comment below or join our community to connect with other Python learners.

Thanks for watching, and happy coding!

#Python #PythonOSModule #PythonTutorial #LearnPython #FileSystemAutomation #PythonScripting #CodingForBeginners

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