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NeXT
The heritage of what would become macOS had originated at NeXT, a company founded by Steve Jobs following his departure from Apple in 1985 -
iPhone
iPhone used an operating system based on Mac OS X, which would later be called "iPhone OS" and then iOS. -
Mac OS X 10.6 Snow Leopard
Snow Leopard focused on "under the hood" changes, increasing the performance, efficiency, and stability of the operating system. -
OS X
with the release of OS X 10.8 Mountain Lion, the name of the system was officially shortened from Mac OS X to OS X -
Siri
Speech Interpretation and Recognition Interface) is a digital assistant purchased, developed, and popularized by Apple Inc., which is included in the iOS, iPadOS, watchOS, macOS, Apple TV, audioOS, and visionOS operating systems -
IOS 7
pple's new user interface design, using deep color saturation, text-only buttons and a minimal, 'flat' interface, was debuted with iOS 7 -
OS X 10.8 Mountain Lion
It incorporates some features seen in iOS 5, which include Game Center, support for iMessage in the new Messages messaging application. It also includes support for storing iWork documents in iCloud. -
iCloud
iCloud Drive is iCloud's file hosting service, that syncs files across devices running iOS 8, OS X Yosemite (version 10.10), or Windows 7 or later, plus online web app access via iCloud.com. -
OS X 10.10 Yosemite
It features a redesigned user interface similar to that of iOS 7, intended to feature a more minimal, text-based 'flat' design, with use of translucency effects and intensely saturated colors. -
macOS 10.12 Sierra
New features include the addition of Siri, Optimized Storage, and updates to Photos, Messages, and iTunes. -
macOS 11 Big Sur
It brings Arm support, new icons, and aesthetic user interface changes to the system. -
OS X - Mac OS X
macOS is a Unix-based operating system developed and marketed by Apple since 2001 -
macOS 13 Ventura
Mail introduced schedule send and undo send for emails, and Message also got the ability to undo send and edit messages. Stage Manager was introduced as a new way to organize all open windows in a desktop. -
macOS 15 Sequoia
It adds support for Apple Intelligence features (for example a redesigned Siri, writing tools, Image Playground, Genmoji, and system-wide integration with GPT-4o), as well as adding iPhone Mirroring, a new dedicated Passwords app for faster autofilling and more organized passwords