Git for beginners: Basic and essential commands

What is Git?

Git is a tracking software which tracks changes in code with help of commands. Like: git add, git commit, git diff

Why Git is used ?

Git is used to track changes in code. It can be used by many people means it can be used for collaboration.

For example :- Developer A, B and C are working on project so it A made change in code that will be visible to B and C. And each developer has a old copy of that code.

Git Basics and Core Terminologies

Git Basics

Version Control : Keeps a history of changes so if you want to make mistake correct

Repository: A folder where Git tracks files

Branch: A separate workspace without harming main code

Commit : It takes a snapshot of what change I made in code

Merge : Combines changes from different branches.

Remote Repository : It is used for collaboration storing copy of code for all developers

Core Terminologies

Repository: A folder where Git tracks files

Commit : It takes a snapshot of what change I made in code

Merge : Combines changes from different branches

Remote : It is used for collaboration for all developers copy of code

Clone: A local copy of an existing remote repository

Pull : Downloads changes from a remote repository

Push : Uploads local commits to a remote repository

Staging Area : Where changes are prepared before committing

HEAD : A pointer that represents the current branch

Git Commands

git init - creates a new git repository

git add - that moves your changes from working directory to staging area

git commit - m - takes a snapshot of change made in code

git commit - am - Takes snapshot of all modified files

git log- used to display the entire commit history of git repository

git status - It tells changes are made or not

git diff - tells the difference between new and old and new file