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 and textual data encrypted in protected keychains.Support for voice login through VoicePrint passwords.Integrated support for multiple user accounts without using At Ease.Mac, then MobileMe, which was replaced by iCloud) 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. Apple 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.
