开始使用Git来进行版本控制，常用命令如下：

git init

creates a new Git repository

git status

inspects the contents of the working directory and staging area

git add（filename）

adds files from the working directory to the staging area

git diff ( ID1 ID2 )

shows the difference between the working directory and the staging area

git commit (-m "message")

permanently stores file changes from the staging area in the repository

git log

shows a list of all previous commits