NeXTSTEP

NeXTSTEP
DeveloperNeXT
Written inC, Objective-C
OS familyUnix (4.3BSD-Tahoe)
Working stateHistoric as original code base for macOS, iOS, iPadOS, watchOS and tvOS
Source modelClosed source with some open-source components
Initial releaseSeptember 18, 1989 (1989-09-18)
Final release3.3 / 1995 (1995)
Final preview4.2 Pre-release 2 / September 1997
Marketing targetEnterprise, academia
Package managerInstaller.app
PlatformsMotorola 68030/68040, IA-32, SPARC, PA-RISC
Kernel typeHybrid (Mach, BSD)
UserlandBSD
Default
user interface
Graphical
LicenseProprietary EULA
Succeeded byOpenStep, Darwin, macOS, iOS, iPadOS, watchOS, tvOS, GNUstep

NeXTSTEP is a discontinued object-oriented, multitasking operating system based on the Mach kernel and the UNIX-derived BSD. It was developed by NeXT Computer, founded by Steve Jobs, in the late 1980s and early 1990s and was initially used for its range of proprietary workstation computers such as the NeXTcube. It was later ported to several other computer architectures.

Although relatively unsuccessful at the time, it attracted interest from computer scientists and researchers. It hosted the original development of the Electronic AppWrapper,[1] the first commercial electronic software distribution catalog to collectively manage encryption and provide digital rights for application software and digital media, a forerunner of the modern "app store" concept. It is the platform on which Tim Berners-Lee created the first web browser, and on which id Software developed the video games Doom and Quake.[2][3]

In 1996, Apple Computer acquired NeXT. Apple, who needed to release a successor to the classic Mac OS, merged NeXTSTEP and OpenStep with Apple's user environment to create Mac OS X, later renamed macOS. All of Apple's subsequent platforms, including iOS, used this OS as a base.

  1. ^ "Electronic AppWrapper". Kevra.org. Retrieved November 22, 2013.
  2. ^ "Apple-NeXT Merger Birthday!". rome.ro. December 20, 2006. Retrieved October 5, 2019.
  3. ^ "GameTales: Cray 6400". rome.ro. January 31, 2010. Retrieved October 5, 2019.

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