- Create http/https Server https://nodejs.org/api/http.html
- Create websocket server/client (use ws package) https://github.com/websockets/ws
https://nodejs.org/api/fs.html
- Create directory
- Create file
- read/write file stream
- Stats https://nodejs.org/docs/latest/api/fs.html#fs_class_fs_stats
- FSWatcher https://nodejs.org/docs/latest/api/fs.html#fs_class_fs_fswatcher