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Period: to
MAC OS time line
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Apple DOS released Jun 08 1978
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System 1 Jan 24 1984
System 1 Jan 24 1984 Could run only one application at a time. Added Mountain scene, About box, Clean Up Command -
System 2
System 2 Apr 25 1985 Introduced multiple folders, "Shut Down" command, and installation of a "MiniFinder" application for quickly launching any of the chosen applications and the introduction of screen shot -
System 3
System 3 Jan 25 1986 Introduced with Mac Plus -
System 4
Introduced Apple Share -
System 5
Updated LaserWriter Driver and new version of Apple HD SC Setup -
System 6
Release for Macintosh IIx. Updated printing software to match software -
System 7
significant user interface overhaul, new applications, stability improvements and many new features. -
Mac OS 8
A multi-threaded Finder was included, enabling better multi- tasking. Files could now be copied in the background. The GUI was changed in appearance to a new shaded grey scale -
Mac OS 9
support for AirPort wireless networking. It introduced an early implementation of multi-user suppor -
Cheetah
Protected memory Open GL Apple Script Aqua Interface PDF Support -
Puma
Performance enhancements Easier CD and DVD burning More printer support Faster 3D Improved Apple Script -
Jaguar
Inkwell, for handwriting recognition. and changed multiple other elements -
Panther
Font Book, File Vault, iChat AV, X11, Safari -
Tiger
Apr 29 2005 Automator , Grapher, Dictionary, Quartz Composer, AU Lab, Dashboard -
Leopard
Had security changes and multiple changes to older applications -
Snow Leopard
improved performance, greater efficiency and the reduction of its overall memory footprint -
Mac OS Lion
improved performance, greater efficiency and the reduction of its overall memory footprint -
Mountain Lion
new malware- blocking system Gatekeeper and integration with Apple's online Game Center and iCloud services, while the Safari web browser was updated to version 6. As on iOS, Notes and Reminders became full applications, separate from Mail and Calendar, while the OS X iChat application was replaced with a version of iOS's Messages.