Git: Version Control System: Developed to monitor source code modifications throughout software development, Git is a distributed version control system. It facilitates concurrent development on a project by several developers without erasing each other’s modifications.
The distributed project allows local access to its history, branching, merging, staging areas, commit histories, and history using common commands like git init, git clone, and git merge.
GitHub: Host Service: GitHub is an online platform that offers a software development collaboration environment and uses Git for version control.
Features: It provides project management tools, problems, pull requests, and repositories. Social networking is another feature it offers.

Recommended YouTube Channels for Learning Git and GitHub

1. Traversy Media: It offers comprehensive and beginner-friendly tutorials on various web development topics, including Git and GitHub.
2. The Net Ninja: It provides a detailed series on many programming topics, with clear and concise explanations on Git and GitHub.
3. freeCodeCamp.org: It offers a wide range of full-length courses, including extensive tutorials on Git and GitHub, often featuring industry experts.
4. Academind: It covers web development and computer science topics, including in-depth Git and GitHub tutorials.
5. GitHub Training & Guides: It provides tutorials, guides, and tips on using GitHub effectively, including beginner to advanced topics.