Git & Githubs Commands

Terminal Commands 

cd      (go to child directory)
cd ..   (go to parent)
mkdir   (create a new folder)
ls      (list of files)
ls -a   (show also hidden files)  
 
Check Git Version 
git --version 

Configuring Git
git config --global user.name "myname"
git config --global user.email "mailId"
git config --list                         (to check git config)
 
Clone & Status
Clone - Cloning a repository on our machine
git clone <-link->
git status
Add & Commit
git add filename
git add .               (when we use dot then added all files)
git commit -m "msg"
Git Push
upload local repo content to remote repo
  
git push origin main  

Init Command
used to create a new git repo

git init
git remote add origin <-link->
git remote - v                  (to verifiy remote)
git branch                      (to check branch)
git branch -M main              (to rename branch)

git push origin main 
  or
git push -u origin main         (-u set origin main) 
WorkFlow
GitHub repo > clone > changes > add > commit > push

Branch Commands
git branch                          (to check branch)
git branch - M main                 (to rename branch)
git checkout <-branch name->        (to navigate)
git checkout -b <-new branch name-> (to create new branch)
git branch -d <-branch name->       (to delete branch) 

Merging Code
Way 1
git diff   (to compare commits, branches,files & More)
git merge  (to merge 2 branches)
Way 2
Create a PR 

Pull Req
git pull origin main 

Git Merge
git merge  
Undoing Changes 
Case 1 : Staged Changes
git reset <-file name - >
git reset
Case 2 : commit changes (for one commit)
git reset HEAD~1
Case 3 : Commited changes (for many commits)

git reset <-commit hash->
git reset--hard <-commit hash->
Watch Tutorial
Fork   
A fork is a new repository that shares code and visibility settings with thee original "upstream"
repository.

Fork is a rough copy.