https://github.com/yudai/gotty/blob/master/app/app.go#L73-L103 https://github.com/yudai/gotty/blob/master/app/app.go#L73-L1... ^ Those are the key lines really

https://github.com/yudai/gotty/blob/master/app/app.go#L73-L103 https://github.com/yudai/gotty/blob/master/app/app.go#L73-L1... ^ Those are the key lines really. It's running the command in a pseudo-terminal, capturing the output (as text) and sending it over a web socket.