Git is an open-source version control system that works locally to help developers work together on software projects that matter. Linus Torvalds, the developer of the Linux kernel, created Git in 2005 to help control the Linux kernel's development.

Today we are gonna discuss the common but most important Git commands for any developer.

Some common Q&As

What is a version control system?
A version control system is a system that helps you keep track of changes you've made to files in your project. Using this system we can revert to the previous version of our project if something went wrong or we want to do so.

What are the types of version control system?

• Distributed Version Control System
• Centralized Version Control System

Are Git and GitHub are same?
No, Git is a version control system that helps us keep track of changes in the files among our various projects whereas GitHub is a cloud platform on which we can manage our code and project repositories which are powered by Git or we can say that we manage Git repositories on GitHub.

Now we have a basic idea about Git. So we can look up its commands now!

Git requires some configurations when it gets set up on a system. Basic configurations include username and email. Whenever a user commits some changes in a project then it makes a record of changes and saves the reference of the user.

Check your Git configuration

By running this command you can check the user's Git configuration for that particular computer system

git config -l

Configure your Git Username

You can configure your username from the command given below

git config --global user.name "thelovekesh"

Configure your Git User Email

Set up your email using this command which will be used in the commits later:)

git config --global user.email "[email protected]"

Initializing a Git Repo

Starting up Git within a project and getting it connected.

git init

git clone https://www.github.com/username/repo-name

git remote or git remote -v

git remote add upstream https://www.github.com/username/repo-name

Staging in a Git Repo

Creating files staged after modifying a file and marking it ready to go in the next commit.

git status

git add . git or add my_script.js

git reset my_script.js

Committing in a Git Repo

Recording changes made to the repo.

git commit -m "Commit message"

git commit -am "Commit message"

git commit --amend -m "An updated commit message"

Branching in a Git Repo

git branch

git branch new-branch

git checkout another-branch

git checkout -b new-branch

git branch -d branch-name

Collaborating and Sharing in a Git Repo

Downloading changes from another repository or sharing changes with the larger codebase.

git push origin main

Some repos use master instead of main in their commands

git pull

git merge upstream/main

Showing Changes in a Git Repo

See changes between commits, branches, and more.

git diff --staged

git diff a-branch..b-branch

git diff 61ce3e6..e221d9c

Sources

• https://git-scm.com/
• https://lovekesh.tech/

Something Missing?

If something is missing in this post or if you found some part confusing, then you can:

• Create a New Topic on Ask Codebulbs
• File an issue on the GitHub
• Open a new discussion on GitHub
• Make a tweet at the @thelovekesh

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