test.txt

all files : ls / ls -a
directory : mkdir
user-name : git config --global user.name
email address: git config --global user.email
clone : git clone url
status : git status
add : git add .
commit : git commit -m "message"
push : git push origin main

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working with git after folder create at locak machine

init : git init
create file and directory : touch filename/mkdir dirname
git add ., git commit -m "message"
remote add : git remote add origin url
to verify remote : git remote -v
to check branch : git branch
to rename branch : git branch -M main (main is a branch name and master---> main)
to push : git push origin main or (git push -u origin main --> after : git push) 

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to check branch : git branch
to rename branch : git branch -M main
to navigate : git checkout <-branch name->
to create new branch : git checkout -b <-new branch name->
to delete branch : git branch -d <-branch name->

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way 1 ::::

to compare commits,branches,files & more : git diff <-branch name->
to merge 2 branches : git merge <-branch name->

way 2 ::::

create a PR

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merge conflicts

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Undoing Changes ::::

Case 1: staged changes ::
      
         git reset <-file name->
         git reset (for all)

case 2: commited changes(for one commit)

        git reset HEAD~1

case 3: commited changes(for many commits)
     
       git commit <-commit hash->
       git reset --hard<-commit hash->