# Quick and Dirty on Ports

## Why ports?

## How does one use ports?

### Rules of ports

### Implementation

### Further steps

## References / Further Reading
- [Elixir Documentation](https://hexdocs.pm/elixir/Port.html)
- [Erlang Documentation](http://erlang.org/doc/search/?q=port&x=0&y=0)
- [`System.cmd` implementation in Elixir](https://github.com/elixir-lang/elixir/blob/master/lib/elixir/lib/system.ex#L592)
- Saša Jurić's [guide on ports](http://theerlangelist.com/article/outside_elixir)
Add references and further reading links
Add references and further reading links
