Adding an existing project to GitHub using the command line

AddProjectToGithub

git init
git add .
git commit -m "First commit"
git remote add origin 원격_저장소_URL
git remote -v
git push -u origin master

AddProjectToGithubWithInitializingReadmeOrGitignore

git init
git remote add origin 원격_저장소_URL
git remote -v
git pull origin master
git add .
git commit -m "First commit"
git push -u origin master