PowerPC versions of Mac OS X include a compatibility layer called Classic, enabling users to run applications and hardware requiring Mac OS 9 from within Mac OS X. * Addition of a 'Window' menu to the Finder (introduced in Mac OS 9.1)

* CD Burning in the Finder (introduced in Mac OS 9.1). * USB Printer Sharing, a control panel allowing certain USB printers to be shared across a TCP/IP network. * An updated version of AppleScript with support for TCP/IP. * Remote Access Personal Server 3.5, including support for TCP/IP clients over Point-to-Point Protocol (PPP). * Improved font management through FontSync. Cite web|url=|title=Mac OS 9: What's New - Speakable Items|accessdate=] * Speakable Items 2.0, also known as PlainTalk, featuring improved speech synthesis and recognition along with AppleScript integration.

* A redesigned Sound control panel and support for USB audio. * A Software Update control panel for automatic download and installation of Apple system software updates. * Keychain, a feature allowing users to save passwords in protected keychains. * Support for voice login through VoicePrint passwords. * Integrated support for multiple user accounts without using At Ease. Other features new to Mac OS 9 include: Cite web|url=|title=Mac OS 9 Special Report|accessdate=] Cite web|url=|title=MacHelp What's New in Mac OS 9|accessdate=] Mac, which is now known as Mobile Me) and included improved TCP/IP functionality with Open Transport 2.5. Mac OS 9 also featured integrated support for Apple’s suite of Internet services known as iTools (later re-branded as. The final updates to Mac OS 9 addressed compatibility issues with OS X while running in the Classic Environment and compatibility with Carbon applications.Īpple billed Mac OS 9 as including '50 New Features' and heavily marketed its Sherlock 2 software, which introduced a 'channels' feature for searching different online resources and introduced a QuickTime-like metallic appearance. Since that time, no updates have been released.

While Mac OS 9 lacks the functionality of a modern operating system, such as protected memory and full pre-emptive multitasking Cite web|url=|title=Re: newbie question: What is a Blue Task|accessdate=], lasting improvements include the introduction of an automated Software Update engine and support for multiple users.Īpple discontinued development of Mac OS 9 in 2002, transitioning all future development to Mac OS X. Introduced on October 23 1999, Apple positioned it as 'The Best Internet Operating System Ever,' highlighting Sherlock 2's Internet search capabilities, integration with Apple's free online services known as iTools, and improved Open Transport networking. Mac OS 9 is the final major release of Apple's 'Classic' Mac OS. Support_status = Unsupported (Internet only)

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