GIT personal

GIT Authentication failed for push

$ git config --global user.name "user1"
$ git config --global user.email "user1@gmail.com"

Create New Branch 

git checkout -b new-branch existing-branch

This creates a new branch new-branch, based on existing-branch.

Check status 

git status 

git add.

git commit -m "remark"

Only one time 

git push --set-upstream origin branch_name

or 
git push 

Git change one branch to another branch 

git checkout branch_name



Git show Branch

git branch -a

git branch -r




Git Delete Local Branch

git branch -d branch_name


Git Delete Remote Branch

git push origin --delete branch_name


If there are unmerged changes which you are confident of deleting:
$ git branch -D branch_name