# Git\&Github

#### Git initialize repository

```
git init your_folder_name
```

#### Git add all changes to staging area

```
git add .
```

#### Git commit change with log message

```
git commit -m "your_message"
```

#### Git view all commits

```
git log --oneline --all
```

#### Git create alias command

```
git config --global alias.hist “log --oneline --all”
```

#### Git checkout all alias

```
git config --global --list
```

#### Git view a commit history

```
git checkout commit_hash_code
```

#### Git undo changes that are not staged

```
git restore file_want_to_backout
```

#### Git undo changes that are staged

```
git reset HEAD file_want_to_backout
```

#### Git undo the last commit

```
git reset --hard HEAD^
```

#### Git clean untracked file

```
git clean -fd
```

#### Git create branch

```
git checkout -b your_branch_name
```

#### Git merge branch

```
git merge your_branch_name
```

#### Git push changes to remote

```
git push origin branch_name(master or your_own_branch_name)
```

#### Git update local with remote repository

```
git pull
```

#### Git remove the last commit remotely

```
git reset --hard HEAD^
git push origin +master
```

#### Git config username and email

```
git config --global user.name "Juechen"
git config --global user.email "xxx@gmail.com"
```

#### Git add and commit alias

```
git config --global alias.cm '!git add -A && git commit -m'
```

#### Skip the login step when doing push/pull

```
git config --global credential.helper store
```

#### Git add existing project to remote

```
git remote add origin https://github.com/juechenyang/FusionProject.git
```

#### Generate SSH key windows

```shell
ssh-keygen -t ed25519 -C "your_email@example.com"
```


---

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