## freeze module

```bash
├── README.md          ---->  this file
├── _boot.py           ---->  system boot script, user can\'t change this
├── flashbdev.py
├── inisetup.py
└── startup            ---->  different board startup scripts
    ├── __init__.py
    ├── atoms3.py
    ├── cores3.py
    └── stamps3.py
```