Quality control is critical, and developers work in small teams using Git for version control.

Introduction to Git
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What is version control?

Version control system (VCS) is a program or set of programs that tracks changes to a collection of files.
Another goal is to allow several team members to work on a project, even on the same files, at the same time without affecting each other's work.
Another name for a VCS is a software configuration management (SCM) system.
To learn more about git and official documentation

With VCS

You can see who made the changes and their comments at the time of committing files
Retrieve past versions of the entire project
Create branches
Attach a tag to a version—for example, to mark a new release.

Distributed version control
Earlier instances of VCSes, including CVS, Subversion (SVN) used a centralized server to store a project's history. This centralization meant that the one server was also potentially a single point of failure.

Git is distributed, which means that a project's complete history is stored both on the client and on the server. You can edit files without a network connection, check them in locally, and sync with the server when a connection becomes available.

Git Terminology

Repository (repo): The directory, located at the top level of a working tree, where Git keeps all the history and metadata for a project. Repositories are almost always referred to as repos.
Commit: When used as a verb, commit means to make a commit object.
Branch: A branch is a named series of linked commits. The most recent commit on a branch is called the head. The default branch, which is created when you initialize a repository, is called main, often named master in Git. The head of the current branch is named HEAD.
Remote: A remote is a named reference to another Git repository. When you create a repo, Git creates a remote named origin that is the default remote for push and pull operations.

Git Command line : Different GUIs available for Git

Git Desktop
Visual Studio Code

Differences between Git and GitHub

Git	GitHub
Git is a distributed version control system (DVCS) that multiple developers and other contributors can use to work on a project.	GitHub is a cloud platform that uses Git as its core technology.GitHub act s as the remote repository

Key features provided by GitHub include:

Issues
Discussions
Pull requests
Notifications
Labels
Actions
Forks
Projects

Try out - https://learn.microsoft.com/en-us/training/modules/intro-to-git/2-exercise-configure-git

References :

Basic Git commands

git status : git status displays the state of the working tree
git add : git add is the command you use to tell Git to start keeping track of changes in certain files. You'll use git add to stage changes to prepare for a commit. All changes in files that have been added but not yet committed are stored in the staging area.
git command
git log : The git log command allows you to see information about previous commits.
git help : Each command comes with its own help page, too. You can find these help pages by typing git --help. For example, git commit --help brings up a page that tells you more about the git commit command and how to use it.

References:

Every day git

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