git config --global user.name "YOUR NAME"
git config --global user.email "YOUR EMAIL ADDRESS"

git clone  https://github.com/virtualskillupgradation/demoApp.git

create a new repository on the command line

echo "# demoApp" >> README.md

git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/virtualskillupgradation/demoApp.git
git push -u origin master

push an existing repository from the command line

git remote add origin https://github.com/virtualskillupgradation/demoApp.git
git push -u origin master

inside a git folder 

/*--- added by Pratishtha ---*/
git pull 



/*test by piyush*/

step1: git clone  https://github.com/virtualskillupgradation/demoApp.git

step2: git add README.md

step3: git commit -m "first commit"

step4: git push -u origin master

step5: git pull

if you do any changes in your file then you will have to follow below mentioned steps.

step5 -> step2 -> step3 -> step4