OS X in the context of AArch64


OS X in the context of AArch64

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⭐ Core Definition: OS X

macOS (previously OS X and originally Mac OS X) is a proprietary Unix-based operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by Apple since 2001. It is the current operating system for Apple's Mac computers. Within the market of desktop and laptop computers, it is the second most widely used desktop OS, after Microsoft Windows and ahead of all Linux distributions, including ChromeOS and SteamOS. As of 2026, the most recent release of macOS is macOS 26 Tahoe, the 22nd major version of macOS.

Mac OS X succeeded the classic Mac OS, the primary Macintosh operating system from 1984 to 2001. Its underlying architecture came from NeXT's NeXTSTEP, as a result of Apple's acquisition of NeXT, which also brought Steve Jobs back to Apple. The first desktop version, Mac OS X 10.0, was released on March 24, 2001. Mac OS X Leopard and all later versions of macOS, other than OS X Lion, are UNIX 03 certified. Each of Apple's other contemporary operating systems, including iOS, iPadOS, watchOS, tvOS, audioOS and visionOS, are derivatives of macOS. Throughout its history, macOS has supported three major processor architectures: the initial version supported PowerPC-based Macs only, with support for Intel-based Macs beginning with OS X Tiger 10.4.4 and support for ARM-based Apple silicon Macs beginning with macOS Big Sur. Support for PowerPC-based Macs was dropped with OS X Snow Leopard, and it was announced at the 2025 Worldwide Developers Conference that macOS Tahoe will be the last to support Intel-based Macs.

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OS X in the context of Legend of Grimrock

Legend of Grimrock is a 2012 action role-playing game by Almost Human. The title is a 3D grid-based, real-time dungeon crawler based on the 1987 game Dungeon Master. It was released for Windows in April 2012, OS X and Linux in December 2012, iOS in May 2015, and Nintendo Switch on 15 January 2024.

Legend of Grimrock was the debut game of Almost Human, a four-man Finnish indie development team formed in February 2011, which self-financed the title's development. A sequel, Legend of Grimrock II, was released in 2014.

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OS X in the context of XIII (video game)

XIII is a first-person shooter video game, loosely based on the first five volumes of the 1984 Belgian graphic novel series of the same name. Developed and published by Ubisoft, it was released in November 2003 for Microsoft Windows, PlayStation 2, and GameCube; an Xbox version of the game, released at the same time, was developed by Southend Interactive, while an OS X version was developed by Zonic, published by Feral Interactive, and released in June 2004.

Designed with a comic book-style, cel-shaded presentation, the game incorporates single-player and multiplayer game modes. The game's main story focuses on a confused and amnesic man who searches for his identity after being found stranded on a beach. He slowly finds himself caught up in a conspiracy by a group who aims to overthrow the government. The protagonist assassinated the President of the United States, and is wanted by the FBI.

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OS X in the context of Legend of Grimrock II

Legend of Grimrock II is an action role-playing video game developed and published by Almost Human. It is the sequel to the 2012 title Legend of Grimrock, and was released for Microsoft Windows in October 2014, and later for OS X in March 2015.

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OS X in the context of TowerFall

TowerFall is an action indie video game created by Maddy Thorson through her company Maddy Makes Games. In the game, players control up to four archers in a multiplayer platform fighter. It was released on the Ouya microconsole in June 2013 and was later ported to PlayStation 4, Xbox One, Linux, OS X, and Windows as TowerFall Ascension and to the Nintendo Switch under its original title of TowerFall.

TowerFall was Thorson's first commercial game. It followed from a June 2012 game jam single-player prototype. Thorson tested the game on her indie developer colleagues with whom she lived, and developed its capacity as a party game. Its mechanics were inspired by games of Thorson's youth, such as Bushido Blade and GoldenEye 007, and influenced by demo feedback at the Evolution Championship Series fighting game tournament. TowerFall was known as the standout title for the Ouya at the console's launch. In its first year, the game sold around 7,000 copies on Ouya, resulting in a gross revenue of about $105,000. When the Ouya exclusivity expired, Thorson signed another exclusivity agreement for the PlayStation 4, where Ascension received an expanded single-player mode, and new levels, weapons, and gameplay variants. A PlayStation Vita release followed in 2015, and Xbox One and Switch versions have been released as well. A standalone eight-player edition for Windows released in 2016.

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OS X in the context of Dota 2

Dota 2 is a 2013 multiplayer online battle arena (MOBA) video game by Valve. The game is a sequel to Defense of the Ancients (DotA), a community-created mod for Blizzard Entertainment's Warcraft III: Reign of Chaos. Dota 2 is played in matches between two teams of five players, with each team occupying and defending their own separate base on the map. Each of the ten players independently controls a character known as a hero that has unique abilities and differing styles of play. During a match, players collect experience points (XP) and items for their heroes to defeat the opposing team's heroes in player versus player (PvP) combat. A team wins by being the first to destroy the other team's Ancient, a large durable structure located in the center of each base.

Development of Dota 2 began in 2009 when IceFrog, lead designer of Defense of the Ancients, was hired by Valve to design a standalone remake in the Source game engine. It was released for Windows, OS X, and Linux via the digital distribution platform Steam in July 2013, following a Windows-only open beta phase that began two years prior. Dota 2 is fully free-to-play with no heroes or any other gameplay element needing to be bought or otherwise unlocked. Valve supports the game as a service, selling loot boxes and a battle pass subscription system called Dota Plus that offer non-gameplay altering virtual goods in return, such as hero cosmetics and audio replacement packs. The game was ported to the Source 2 engine in 2015, making it the first game to use it.

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