Difference between macOS and NetBSD

1. macOS :
macOS is a series of proprietary graphical operating systems which is provided by Apple Incorporation. It was earlier known as Mac OS X and later OS X. It is specifically designed for Apple mac computers. It is based on Unix operating system. It was developed using C, C++, Objective-C, assembly language and Swift. It is the second most used operating system in personal computers after Windows. The first version of macOS was launched by Apple in 2001.

2. NetBSD :
NetBSD is a free and open source operating system which is provided by The NetBSD Foundation. It is based on the Berkeley Software Distribution. It is an Unix-like operating systems. It is available for many platforms including servers, desktops, handheld devices and embedded systems. The NetBSD project focuses on careful design, code clarity and portability across many computer architectures. The source code of NetBSD is publicly available and is permissively licensed. The first version of NetBSD was launched in 1993 and its kernel type is monolithic.

Difference between macOS and NetBSD :

S.No.	MACOS	NetBSD
1.	It was developed and is owned by Apple Incorporation.	It was developed and is owned by The NetBSD Foundation.
2.	It was launched in 2001.	It was launched in 1993.
3.	Its target system types are workstation, personal computers and embedded systems.	Its target system types are NAS, server, workstation and embedded systems.
4.	Computer architectures supported by macOS are x86-64(10.4.7-present), IA-32(10.4.4-10.6.8) and PowerPC(10.0-10.5.8).	Computer architectures supported by NetBSD are IA-32, x86-64, ARM, MIPS, PowerPC and sparc64.
5.	Its kernel type is Hybrid with modules.	Its kernel type is Monolithic with modules.
6.	Its package management is macOS installer.	Its package management is pkgsrc.
7.	Its update management is Software Update.	Its update management is by source or by binary.
8.	Its native APIs are Carbon, Cocoa, Java and BSD-POSIX.	Its native APIs are BSD-POSIX.
9.	It has preferred license of Proprietary, APSL and GNU GPL.	It has preferred license of BSD.
10.	The non-native APIs supported by its subsystems are Toolbox, Win16 and Win32.	The non-native APIs supported through its subsystems are Linux and others.
11.	File systems supported by macOS are HFS+, APFS, HFS, UFS, AFP, ISO 9660, FAT, UDF, NFS, SMBFS, NTFS, FTP, WebDAV and ZFS.	File systems supported by NetBSD are UFS, UFS2, ext2, FAT, ISO 9660, NFS and LFS.