In the world of free operating systems, GNU/Linux is the best known and most used, but there are also other operating systems that are very robust, very stable and have excellent performance, such as the BSD family, within the BSD family there are 3 well-known operating systems: FreeBSD, OpenBSD y NetBSD.
NetBSD NetBSD is a free, fast, secure, and highly portable Unix-like Open Source operating system. It is available for a wide range of platforms, from large-scale servers and powerful desktop systems to handheld and embedded devices.
In the following video (ES) we show how to install a NetBSD server.