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. OpenBSD :
OpenBSD is a security focused, free and open source operating system which is provided by The OpenBSD Project. It is based on the Berkeley Software Distribution. It is an Unix-like operating systems. It is available for many platforms including servers, NAS, workstations and embedded systems. It is basically written using C language, assembly language, Perl and Unix shell. The first version of OpenBSD was launched in 1995. The kernel used in this operating system is monolithic.
Difference between macOS and OpenBSD :
|1.||It was developed and is owned by Apple Incorporation.||It was developed and is owned by The OpenBSD Project.|
|2.||It was launched in 2001.||It was launched in 1995.|
|3.||Its target system types are workstation, personal computers and embedded systems.||Its target system types are server, NAS, 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 OpenBSD are IA-32, x86-64, SPARC, 68k, Alpha and VAX.|
|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 Ports collection/packages.|
|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 the preferred license of Proprietary, APSL and GNU GPL.||It has the preferred license of ISC.|
|10.||The non-native APIs supported by its subsystems are Toolbox, Win16 and Win32.||The non-native APIs are not supported through its subsystems.|
|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 OpenBSD are ffs, ext2, FAT, ISO 9660 and NFS.|
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