![01.png](http://upload-images.jianshu.io/upload_images/3701654-5e522b8fd534bc56.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 1.点击Git Bash
![02.png](http://upload-images.jianshu.io/upload_images/3701654-8d21437489651cbf.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 2.配置全局信息在命令行中输入
~~~
git config --global user.name chengbenchao
git config --global user.email 395775347@qq.com
~~~
![03.png](http://upload-images.jianshu.io/upload_images/3701654-748f493df80cfe7d.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 3.列出[全局配置]()的相关相信
~~~
git config --list --global
~~~
![04.png](http://upload-images.jianshu.io/upload_images/3701654-ef36d319edccbf51.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 4.增加用户名
~~~~
git config --global --add user.name jiangwei
~~~~
![05.png](http://upload-images.jianshu.io/upload_images/3701654-75c3bc19bc178c1d.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 5.删除用户名[jiangwei]()
~~~
git config --global --unset user.name jiangwei
~~~
![06.png](http://upload-images.jianshu.io/upload_images/3701654-9a2fc733db36a803.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 6.查询用户名
~~~
git config --get user.name
~~~
![07.png](http://upload-images.jianshu.io/upload_images/3701654-49547fce7b96ec7a.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 7.修改用户为[chengchao]()
~~~
git config --global user.name chengchao
~~~
![08.png](http://upload-images.jianshu.io/upload_images/3701654-1a8c1eebce2b1d78.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 8.创建文件夹[learnGit]() !
~~~
mkdir learnGit
//显示当前目录
pwd
~~~
![09.png](http://upload-images.jianshu.io/upload_images/3701654-e7f8ae612c6848bc.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 9.git init将文件夹变为git仓库
~~~
git init
~~~
![10.png](http://upload-images.jianshu.io/upload_images/3701654-41e556b66f01615b.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 10.在learnGit文件夹下新建一个readme.txt的文档,之后[git add]()添加到仓库,[git commit]()提交到仓库
~~~
git add readme.txt
git commit -m"firstCommit"
~~~
![11.png](http://upload-images.jianshu.io/upload_images/3701654-182aab09dcff49c3.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 11.修改[readme.txt]()这个文件,之后再命令行中输入[git status]()可以看到仓库当前的状态
~~~
//可以看到仓库的当前状态
git status
~~~
![12.png](http://upload-images.jianshu.io/upload_images/3701654-eec6aab784e989d3.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 12.[git diff]()可以看readme.txt哪里被修改了
~~~
git diff
~~~
### 13.文件重新命名
~~~
git mv readme.md read
~~~