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Git & GitHub, Step by Step from the Fundamentals - Fundamental Git [Complete Edition]

Learn from the fundamentals step by step, and solve every error on your own.

(5.0) 92 reviews

768 learners

Level Beginner

Course period Unlimited

  • geek
Git
Git
GitHub
GitHub
Git
Git
GitHub
GitHub

Reviews from Early Learners

Reviews from Early Learners

5.0

5.0

juhylee

98% enrolled

It's crazy. It's awesome. It couldn't be clearer.

5.0

shinyeoneui

35% enrolled

I purchased and took several lectures on Git from Inflearn, but as the lectures progressed, I couldn't understand them, so I purchased this lecture again. I'm embarrassed to say that until now, I've been mechanically typing git add and git commit without knowing why those processes are necessary. However, through this lecture, I was able to understand the principles of Git. It was very helpful. Thank you.

5.0

Seunggu Kang

100% enrolled

This is a really essential class before you start working. It covers everything that will be helpful in the workplace. I signed up for the class because of the intuitive illustrations, but the most helpful thing was the core and basic content that is often not covered well, but is essential to understanding the subject.

What you will gain after the course

  • Learn the basic Git commands and understand how it works through diagrams.

  • Learn the principles of how conflicts occur and easily resolve all conflicts.

  • Learn how to respond perfectly in real situations.

  • Learn how to collaborate proficiently with colleagues using GitHub.

  • Learn not only how to collaborate using Git flow, but also understand why it's necessary.

Step by step from the fundamentals


From basics to principles, all at once.

Git vs GitHub❓

💻 Git

Git is a program that manages versions of code. Just like creating SAVE points in a game, Git allows you to create SAVE points for your code and revert to any desired point in time. Not only that, but it also helps multiple colleagues work simultaneously on a single project by utilizing a powerful feature called 'branches'.

🌐 GitHub

First, we need to clarify that Git and GitHub are completely different concepts. Just as baseball and soccer are different, Git and GitHub are also different from each other. Git is a tool for version control, and GitHub is a space where you can store those versions. That's why GitHub is often compared to Google Drive or Dropbox.

Learn Git & GitHub properly, all at once.

Everyone can relate to the importance of Git. No matter what we build, we always end up using Git. Therefore, you need to properly understand Git. If you simply memorize commands like a machine, you'll end up wandering around blogs searching for answers. Learn properly from the basics to the principles all at once. I can assure you, after taking 'Fundamental Git', you'll be able to solve 99% of errors on your own.

Course Structure

📌 Section 1: Understanding the Basics of Git and GitHub
Learn the fundamental concepts of Git and GitHub clearly, and discover the principles behind how Git manages versions.


💻 Section 2: Installing and Configuring Git
Learn how to install Git and set up the basic environment to complete your preparation for using Git.


📝 Section 3: Basic Commands and State Management
Learn the main commands for creating versions and gain an in-depth understanding of what happens inside Git.


📂 Section 4: Repository Status
Git manages versions through three repositories. Let's learn the commands to check the status of each repository and how they work.


🎯 Section 5: HEAD
Learn the concept of HEAD, which allows you to revert code to a desired point in time, and master HEAD's relative positioning and how to work with it.


🌿 Section 6: Branches
Learn how to collaborate with colleagues using branches, and master how to handle them skillfully by understanding the internal structure of branches.


🔗 Section 7: Merge
Learn how to merge work from other branches into your branch and how to resolve conflict errors that may occur during the merge process.


Section 8: Precautions When Working with Branches
Branches are a powerful feature, but they can be tricky. Learn how to prevent mistakes and use them effectively when working with branches.


🔄 Section 9: Rebase
Learn the rebase feature essential for advanced developers, and master how to clean up branches and resolve conflict errors.


Section 10: Reverting to Previous States (Reset vs Revert)
Learn the differences and usage between the reset and revert commands that restore code to a desired point in time, and understand the detailed workings of each command so you can choose appropriately for each situation.


📤 Section 11: Uploading and Downloading Code (GitHub)
Learn how to upload and download code to a remote server and the principles behind the process, while gaining a deep understanding of the interaction between GitHub and Git.


🤝 Section 12: Collaborating (Git Flow)
Learn how to collaborate effectively with colleagues through the essential Git Flow strategy in collaboration. This section focuses intensively on the core elements of collaboration.


🚀 Section 13: Advanced Remote
Learn in detail about remote-related features and principles for advanced developers, and study advanced remote management methods needed in practice.


📂 Section 14: File Management
Learn how files are managed as versions when you delete or rename them. Also, learn how to exclude specific files from version control using gitignore files and understand the principles behind it, so you can skillfully handle various error situations.


📝 Section 15: Changing Commit History
Learn how to modify commit history to organize your project's version history in a clean way. Go beyond simple methodologies and dive deep into the underlying principles through easy-to-understand analogies.


Target Audience

I already know Git.

Git users who have taken a course at least once, but still find it confusing.

I'm still confused.

Git beginners.

Learn it properly once and for all,

wandering through YouTube and blogs

I don't want to waste time.

With so many Git courses out there, why was Geunbon Git created?

While working as a programming instructor, I realized something. Many students only memorize Git commands without properly understanding how it works. As a result, they couldn't use Git efficiently and often encountered situations where they couldn't even solve simple errors. It was disheartening to see students wandering through blogs for over an hour on problems that could be solved with just 10 minutes of proper study.


At that moment, I made a decision.

"I need to properly teach students how Git works!"


After six months of research, I developed a diagram that makes it easy to understand how Git works in just 10 minutes, and turned it into lecture material.


"Will this diagram really be easy to understand?"
"Can it sufficiently explain all cases?"
"Can it solve the errors students face?"


While answering these questions myself, I revised and revised the diagrams. After drawing so many diagrams that my iPad note-taking app slowed down, I was finally able to complete a clear and easy-to-understand final diagram.


After that, when I taught Git using those diagrams, the students' reactions were truly amazing.


💬 "I've taken Git courses several times, but I learned the most in this one hour!"
💬 "This is the clearest Git explanation I've ever heard. Really."
💬 "Ah, now I get it!"


Seeing students become proficient with Git in just 1 hour gave me great satisfaction.


Have you taken Git courses before but still find it confusing?
Have you felt frustrated because troubleshooting errors is difficult?
Are you wasting time searching for solutions on blogs?


Then you've come to the right place. 👏


After taking this course, all your worries about Git will completely disappear. I am 100% confident. If you don't see the expected results, I will give you a full refund.

What Makes Geunbon Git Different

🚀 Geunbongit is not just a lecture that organizes concepts!

  • Geunbongit is a course that explains all cases that occur in git with one principle in 20 minutes.
    Quickly learn the core of Git and solve 99% of errors. No, you won't even have a chance to encounter errors.



📚 This one course puts all your Git worries to rest!

  • GeunbonGit is truly all you need. From simple commands to collaborating with colleagues, master everything in one course.

🖼 Easy-to-Follow Practice

  • We show you the command execution results in pictures, making it much easier to follow along!



👁 Easy and Intuitive Learning

  • 75% of our brain is specialized for processing visual information. 90% of the course materials in Geunbon Git are composed of images, making them even easier to understand!


📖 Comprehensive 1700-page course materials provided

  • It includes 1700 pages of course materials that explain Git's operating principles step by step in detail. Designed so you can understand each page in just 5 seconds, 90% consists of diagrams, making even complex concepts easy and quick to grasp. Additionally, we've organized it by session so you can quickly find the content you need!


💬 Active Community Management

  • Do you have questions about Git? Don't wait, ask right away and get answers!

After completing the course

You'll be able to solve 99% of Git errors on your own.
💪 You'll be able to use Git as proficiently as your team leader.

Things to note before enrolling

  • The course materials are provided in PDF format

  • The class is conducted on Mac, but Windows users can follow along without any issues.

  • The course is conducted based on CLI (Command Line Interface).

  • No prior knowledge is required.

  • The course content was reviewed and updated to match the latest versions of Git and GitHub on January 10, 2025.


Recommended for
these people

Who is this course right for?

  • Someone who has learned git at least once, but still finds git confusing.

  • Git beginners who want to learn git properly all at once, without wasting time wandering through YouTube or blogs.

Need to know before starting?

  • No prior knowledge is needed :)

Hello
This is

1,486

Learners

154

Reviews

51

Answers

4.9

Rating

2

Courses

I first entered the world of development while starting a business with a friend during my college years.

Back then, I faced many difficulties because I was studying programming on my own.
I didn't know where to start,
nor did I know how deeply I needed to study.
Still, as if hitting my head against the ground(?), I immersed myself solely in development for four years.

Looking back,
it was a meaningful time, but I also have many regrets.
I regret that if someone had properly taught me how to study,
I could have used my time much more efficiently.

In my personal opinion,
I believe it's important to study various fields shallowly when you first start development.
It's about experiencing it once.

After that, you must study deeply.
In other words, you need to properly understand the principles.
This is because if you don't know the principles, it's hard to respond to various cases.

However, principles are difficult.
Thinking about studying principles feels burdensome from the start.

But with me, you don't have to worry about that.
I prepared this lecture with the mindset of teaching my past self.
I expressed all principles easily through illustrations,
and I created the class so that you can learn properly in a short amount of time.

As your time is precious, I put sincere effort into every single lecture.
Are the illustrations in the lecture materials easy to understand?
Do the illustrations explaining the principles represent all cases?
Is this content absolutely necessary for growing into a better developer?
Contemplating these questions, I created this lecture as if squeezing out the very essence.

I am rooting for your growth,
and I hope my small contribution can be of help to you.

Thank you.

Curriculum

All

48 lectures ∙ (8hr 9min)

Course Materials:

Lecture resources
Published: 
Last updated: 

Reviews

All

92 reviews

5.0

92 reviews

  • juhylee님의 프로필 이미지
    juhylee

    Reviews 1

    Average Rating 5.0

    5

    98% enrolled

    It's crazy. It's awesome. It couldn't be clearer.

    • geubon
      Instructor

      Hello, juhylee :) Thank you so much for your review. Thanks to your words, juhylee, I feel like all the hard work I put into making the lecture has been rewarded. Thank you so much. I will always try to make good lectures!

  • shinyeoneui3715님의 프로필 이미지
    shinyeoneui3715

    Reviews 2

    Average Rating 5.0

    5

    35% enrolled

    I purchased and took several lectures on Git from Inflearn, but as the lectures progressed, I couldn't understand them, so I purchased this lecture again. I'm embarrassed to say that until now, I've been mechanically typing git add and git commit without knowing why those processes are necessary. However, through this lecture, I was able to understand the principles of Git. It was very helpful. Thank you.

    • geubon
      Instructor

      Hello, shinyeoneui! I'm so happy that my lecture was helpful 😊😊 Thank you so much for your kind words. If you have any questions about Git in the future, please feel free to contact me! 🥰

  • ksg님의 프로필 이미지
    ksg

    Reviews 2

    Average Rating 5.0

    5

    100% enrolled

    This is a really essential class before you start working. It covers everything that will be helpful in the workplace. I signed up for the class because of the intuitive illustrations, but the most helpful thing was the core and basic content that is often not covered well, but is essential to understanding the subject.

    • geubon
      Instructor

      Wow.. a must-take class before getting a job..! Thank you for the great advice!! (Actually.. I think so too 😊😊) Always rooting for you, Seunggu Kang! Fighting!

  • dengo님의 프로필 이미지
    dengo

    Reviews 13

    Average Rating 4.5

    5

    85% enrolled

    This is the first lecture I've ever thought of leaving a review for. I ended up using Git in my work, and it was difficult to study alone, so I chose this lecture. It's a really, really satisfying lecture, with pictures explaining the internal structure. If the instructor's other lectures come out, I think I'll choose them without hesitation and take them. Thank you for creating such a great lecture.

    • geubon
      Instructor

      Hello, 별다방님 :) Thank you so much for your kind words. 🥺 I'm so happy to be able to help you in your work, and more than anything, it's a great reward. I'm a very small part of 별다방님's developer journey, but I'll do my best to be of help. (It's just a lecture...) Because of my persistence in creating a work of art.. It took me quite a long time to create this short, 8-hour lecture. In the future, even if it takes a little more time, I'll make it properly with this mindset. Lastly, Thank you so much for taking the fundamental Git class, and I sincerely congratulate you on completing it. 🎉

  • dev8653님의 프로필 이미지
    dev8653

    Reviews 2

    Average Rating 4.0

    5

    79% enrolled

    The best lecture I've ever heard

    • geubon
      Instructor

      Hello, dev :) Wow.. high praise.. thank you! I will always try to make good lectures. Have a happy new year 🥰

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