Git learn from scratch

Git Learn
From the scratch
Prepared By:
Mir Arif Hasan
B. Sc in CSE at AUST, BD
Email: arif.ishan05@gmail.com
1

Topics 1. Introduction of Git & GitHub
2. Why Git?
3. Git configuration
4. Creating repository, Init, Remote add, Clone
5. Git file status
6. Git Add, Commit, Ammand, Log, Push, Pull
7. Branching, Checkout
8. Merge, Conflicts
9. Collaboration
10. Pull request
2

Introduction of Git & GitHub
Git:
Git is a version control system
You can manage your files version through Git
Gives the scope for open source development
Anyone can update your public repo and request you to
add them
GitHub:
GitHub is a server where the files are stored
3

Why Git?
4
Git is a distributed
version control system

Git Configuration
5
Download & install Git software
Open git bash command to configure
Write below commands:
1. git config --global user.name “<your username>”
2. git config --global user.email <your email>
You can see/test by
1. git config user.name
2. git config user.email
Or, git config --list
*See next page example

Create Repository
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If select public, anybody
can see your repository

Create Repository
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Copy the HTTP link

Link your repository with local
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Two way to link up
Clone
[If you have not create any project on your
local server]
Remote add
[If you already started with your project
locally, but you have a new repository]
NB: If you both work on your local and have a old repository, then you should go “Remote add” then
“git pull origin <branch>” and resolve conflicts(if need).

Git Clone
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Use any command:
1. git clone <HTTP link>
2. git clone <HTTP link> <directory>
You can think ‘clone’ like ‘download’.
Where you open git bash and apply 1st
cmd, there the repo will be download.
Otherwise, there create a directory
then, it will download in the directory.

Remote Add
12
Step 1:
Go to your project folder.
Step 2:
Use command: “git init”
Explanation: For initialize git on that folder
Step 3:
Use command: “git remote add origin <repo url>”
Explanation: For link with remote repository
Step 4: (Optional)
Use command: “git pull origin <branch_name>”
Explanation: If your remote repo is not blank repo.

Git Commands
Local Server - Your PC
Remote Server - GitHub / Cloud
When we init/clone, a ‘.git’ hidden file
generates to track our files and other
data.
git status - Gives the overview of files
git add - Adding file for commit
git commit - Saving for upload/push
git push - Uploading to remote server
git pull - Bringing the change from
remote to local
git branch - See a list of branch
git checkout - Changing branch
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Git Commands
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Command 1: “git status”
Explanation: Gives a list of files which are modified, untract etc. You can use this cmd in any
stage.
Command 2: “git add <file name>” or “git add . ”
Explanation: Now you have to select files for the next commit.
Command 3: “git commit -m ‘<comment>’”
Explanation: You are saving your changes by committing. You should pass a comment about what
features add or bug fixed.
Command 5: “git push -u origin master” or “git push -u origin <branch_name>”
Explanation: To upload your project in remote. You have to mention branch name in
command.
Command 6: “git pull origin master” or “git pull origin <branch_name>”
Explanation: This command is for getting all updates from remote to local. Updates will come

Branch
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Maste
r
Maste
r
Maste
r
pushcheckout pull & pushcheckout
checkout
checkout
pull & push
pull & push
master
signup
login

Branch & Checkout
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List of branches:
git branch
Create a branch:
git branch <branch_name>
Switching to another branch:
git checkout <destination_branch_name>
Create and switch:
git checkout -b <destination_branch_name>

Some other commands
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To see all files and folder
ls -la
To visit a directory
cd <directory_name>/
To clear git cmd GUI
clear
For stop current execution
ctrl + c

Git learn from scratch

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