NetBSD is a free, highly portable UNIX-like Operating System (OS) that is available for many platforms. It has a clean design and advanced features. These features make it the perfect choice for environments such as production and research. It operates on a wide range of hardware platforms; in fact, many people consider it to be the most portable operating system in the world. Some of the platforms NetBSD supports are 64-bit Digital Alpha, Commodore Amiga, Falcon, Hades, Apple Macintosh, Sun SPARC, etc.
The basic features of NetBSD are portability, adherence to standards, code quality and correctness, and research and innovation.
Its installation is quite different from most current OSs.
While being rich in features, it is not very big in terms of size. It strives hard to create a complete and steady base system, but without being redundant.
Post installation, the user gets a complete, working system but without some applications. For example, like a web browser. This is because it is not considered as a part of the base system by NetBSD.
The user enjoys the independence of being able to decide on which applications they can install on their machine, which is rather easy. They have the packages collection to choose from.
It is also capable of emulating BSDI, FreeBSD, and several other systems.