1，配置用户名和邮箱
git config --global user.name "My Name"
git config --global user.email "myemail@example.com"
2，查看git设置，包含查看用户名和邮箱
git config --list
3， 查看修改了哪些文件
git status
4, 更新将要提交的内容
git add <file>
5，提交更改
git commit
# -m 与commit命令一起，指定提交信息
eg： git commit -m "version 1"
# -a commit 之前可以自动暂存每个更改的文件，此flag可以省去 git add
6， 创建branch
git branch <branch-name>
or：
git checkout -b <branch-name>
#both create a branch but checkout switch to the new branch
7，推送到远端仓库
git push -u origin HEAD
# Using HEAD is a "handy way to push the current branch to the same name on the remote".
# In Git terms, HEAD (in uppercase) is a reference to the top of the current branch (tree).
# The -u option is just short for --set-upstream. This will add an upstream tracking reference for the current branch
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