# Echo

```sh
sudo screen /dev/ttyUSB0 115200 # usually the fastest you can go
```

{% hint style="warning" %}
Use `ls -l /dev | grep ttyUSB0` to make sure that `/dev/ttyUSB0` exists.
{% endhint %}

## References

* [Screen User's Manual: 6.6 Window Types](https://www.gnu.org/software/screen/manual/html_node/Window-Types.html#Window-Types)
