Mac OS 9 is the ninth and final major release of Apple's classic Mac OS operating system, which was succeeded by Mac OS X 10.0 in 2001, starting the Mac...

OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation...

OS X Mavericks (version 10.9) is the 10th major release of macOS, Apple Inc.'s desktop and server operating system for Macintosh computers. OS X Mavericks...

watchOS is the operating system of the Apple Watch, developed by Apple Inc. It is based on iOS, the operating system used by the iPhone, and has many...

company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9, was a direct descendant of the operating system...

The derivatives of macOS are Apple's other operating systems: iOS, iPadOS, watchOS, tvOS, and audioOS. A prominent part of macOS's original brand identity...

Computer, Inc. from 1984 to 2001, starting with System 1 and ending with Mac OS 9. The Macintosh operating system is credited with having popularized the graphical...

December 8, 2015, along with OS X 10.11.2, iOS 9.2, and watchOS 2.1. Apple also updated the Remote apps on iOS and watchOS, enabling basic remote functionality...

Mac OS X Tiger (version 10.4) is the 5th major release of macOS, Apple's desktop and server operating system for Mac computers. Tiger was released to...

Inc. It is provided on the company's iOS, iPadOS, visionOS, and macOS operating systems, the latter starting with OS X Mountain Lion. It functions as a service...

iOS 9 is the ninth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 8. It was announced at the company's...

run under Mac OS 9. Six months after its release, Mac OS X 10.0 was succeeded by Mac OS X 10.1, code named Puma. The development of Mac OS X 10.0 began...

iPhone OS 1 – derived from "Mac OS X" (now known as "macOS") iPhone OS 2 iPhone OS 3 iOS 4 – continued from iPhone OS 3 iOS 5 iOS 6 iOS 7 iOS 8 iOS 9 iOS 10...

iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. With iOS 13, Apple began offering a separate operating system, iPadOS, for...

Mac OS X Panther (version 10.3) is the fourth major release of macOS, Apple's desktop and server operating system. It followed Mac OS X Jaguar and preceded...

macOS. Zorin OS is available in various free and paid versions including versions using XFCE instead of GNOME for use with older computers. Zorin OS follows...

mobile operating system (OS) and computing platform designed for smartphones. It was originally developed as a proprietary software OS for personal digital...

Mac OS 8 is the eighth major release of the classic Mac OS operating system for Macintosh computers, released by Apple Computer on July 26, 1997. It includes...

system software for its other devices – iOS, iPadOS, watchOS, and tvOS. Prior to the introduction of Mac OS X, Apple experimented with several other concepts...

OS-tans are moe anthropomorphic personifications of popular operating systems, originating on the Japanese imageboard Futaba Channel. The designs of the...

with other features. Other recent Plan 9-inspired operating systems include Harvey OS and Jehanne OS. Plan 9 from Bell Labs is like the Quakers: distinguished...

Unix-like operating system of macOS (previously OS X and Mac OS X), iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an...

Apple Inc. for macOS that come bundled by default or are installed through a system update. Many of the default programs found on macOS have counterparts...

iOS 9.0–9.0.2 – Monarch iOS 9.1 – Boulder iOS 9.2 – Castlerock iOS 9.2.1 – Dillon iOS 9.3–9.3.1 – Eagle iOS 9.3.2 – Frisco iOS 9.3.3–9.3.6 – Genoa iOS...

OS X El Capitan (/ɛl ˌkæpɪˈtɑːn/ el KAP-i-TAHN) (version 10.11) is the twelfth major release of macOS (named OS X at the time of El Capitan's release)...

by Apple Menu Options. Mac OS 9, the last release of the Mac OS before Mac OS X, included 32 control panels. By Mac OS 9, many control panels had been...

The Roku OS is an operating system software developed by Roku Inc. It has powered consumer electronics products such as Roku-branded streaming players...

OxygenOS (Chinese: 氧OS; pinyin: yǎng OS) is an Android-based operating system (OS) developed by Chinese smartphone manufacturer OnePlus exclusively for...

Keychain is the password management system in macOS, developed by Apple. It was introduced with Mac OS 8.6, and has been included in all subsequent versions...

service in Apple Inc.'s iOS, macOS, iPadOS and visionOS operating systems, introduced in Mac OS X Lion (Mac OS X 10.7) and iOS 7, which can transfer files...