Basic Operation in Local

Initialize a Git Repository
```
git init
```
This command will create a empty repository. There will be a .git floder which is used for tracking and managing repository.
Adding File from Working Directory to Stage
```
git add [filename]
```
Commit the changes in Stage to Local Repository
```
git commit -m "[commitment descriptions]"
```
Check Current Status
```
git status
```
Show the Differences
```
git diff
```
Discard the Modifications in Working Directory
```
git checkout --[filename]
```
Actually, this command replace the file in working directory with the file in repository.
Unstages the file
```
git reset Head [filename]
```
Just like delete the file in the stage, but in working directory, the file still preserves its contents.
Remove File
```
git rm [filename]
```

Renamce File

git mv [original filename] [new filename]

Version Control

Link Local Repository with Remote Repository
```
git remote add origin [url]
```
Build a Local Repository Copy using Remote Repository
```
git clone [url]
```
Get Remote Repository Infomation
```
git remote 
```
Upload Local Repository Modifications
```
git push [remote repository name] [remote brunch name]
```
Default remote repository name is origin
Download Remote Repository Modifications
```
git pull
```