从命令行创建一个新的仓库

touch README.md
git init

git add README.md
git commit -m "first commit"
git remote add origin https://git.mashibing.com/msb_59685/Demo2.git
git push -u origin master

从命令行推送已经创建的仓库

git remote add origin https://git.mashibing.com/msb_59685/Demo2.git
git push -u origin master