//创建仓库,仓库名为GitHub
git init GitHub

//创建文件夹 test
mkdir test

//切换到文件夹
cd test

//创建文件 test.txt
vim test.txt 

//文件(test.txt)添加到仓库(GitHub)
git add test.txt


//提交文件
git commit -m "第一次上传文件"

[master 8744eb7] 添加txt
 1 file changed, 6 insertions(+)
 create mode 100644 test.txt

//添加到GitHub的master分支
git push -u github master

/*Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 16 threads
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 337 bytes | 337.00 KiB/s, done.
Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
remote: Resolving deltas: 100% (1/1), completed with 1 local object.
To github.com:PGwind/git-test.git
   8744eb7..847109b  master -> master*/