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Git Installation

To install git follow the instructions mentioned in the below url for Windows, Linux and Mac OS.

https://www.atlassian.com/git/tutorials/install-git

Once the installation is done please follow the basic configuration as mentioned below.

1) check git version > git --version
2) configure username > git config --global user.name = "your name"
3) configure email > git config --global user.email = "your email"

You are ready to go !!!

Git Commands and Descriptions

git --version

this commands gives you the installed version of the git in your machine.

Creating a git repository

To create a directory

 mkdir <directory name>

To Change the directory

cd <directory name>

Git Commands

Converts a directory into a local git repository.

git init      - converts a directory into a git repository

To add a single or muiltiple files to staging area

git add fileName or git add .

To commit the changes in the local repository.

git commit -m "commit message"

To list the status of the files in staging area.

 git status

To configure the global username and email id

 git config --global user.name = "Shubham"
 git config --global user.email - "Shubham@gmail.com"
 
 git config user.name = "Shubham"
 git config user.email = "shubham@gmail.com"

Connect and add Remote Repository.

To connect a local repository to a specific remote repository.

git remote add origin <ssh url>
git remote add origin https://github.com/shubhamkushwah123/DevOps.git

To Clone a remote git repository into a local git repository.

 git clone <repo name> 
 git clone https://github.com/shubhamkushwah123/DevOps.git

To Pull the changes from master branch of the remote git repository.

git pull origin master

To Push the changes to master branch of the remote git repository.

git push origin master

Branching

To List all the branches

git branch

To create a new branch

git branch $branchName

To delete an existing branch

git branch -d $branchName

To merge a child branch to master

git merge $branchName

Advance git commands

To save the changes, when they are not in state of commit.

git stash

To stash changes and clearing up the directory

git stash -u

To List the stashes created.

git stash list

To get the stashed work back.

git stash apply

To get the context and history of logs of a repository

git log

To Copy and Store a set of commit outside of our repository.

git rebase

To revert back to the previous version of the file.

git revert