What is Netgear ReadyNAS OS?
ReadyNAS [is] an advanced, easy-to-use storage solution for centralizing and accessing digital files such as photos, music, videos and documents. Designed for both home and small- and medium-sized business (SMB) users, the new ReadyNAS OS offers improvements in data protection, backup, sync, and cloud-based usability. -https://www.netgear.com/about/press-releases/2014/11172014_new_readynas_operating_system/
Source: https://github.com/ReadyNAS/sdk/wiki/Setup-ReadyNAS-OS-on-VirtualBox