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Sistema 1
It had a desktop, windows, icons, mouse, etc. It also had a trash can that erased everything when you restarted the PC, and only one application could run at a time. -
Sistema 2
There were improvements to the speed of the finder and this helped make it 20 percent faster, options were added such as: creating folders, turning off the desktop printer. -
Sistema 3
The finder was improved again and the order of HFS files was changed and it was replaced by the Macintosh MFS system. -
Sistema 4
It was introduced as the Macintosh SE and Macintosh II, and support for multiple monitors was added. -
Sistema 6
Machines could already have color, but the Finder still didn't support it. A cancel option was added to the disk erase option. A notification was added to the menu bar. -
Sistema 7
It only had the Multitask Finder, which allows you to multitask. The memory was upgraded to 32-bit, allowing Macs to use more than 8 MB of RAM. -
Mac OS 8
The finder was renewed so that it could do several things at the same time with better performance on computers with a processor, a 3D appearance was added to give it a better look. -
Mac OS 9
This version introduced multi-user support, allowing each user to log in with their own settings. AppleTalk over TCP/IP was also implemented. Software Update enabled users to receive software updates without needing the internet and could notify them when new updates were available. -
Mac OS X 10.1 “Puma”
Mac OS 10.1 was released a year after 10.0, offering improved performance, especially on G3 Macs. Versions 10.1.1 through 10.1.5 included bug fixes and component updates. Most UNIX open-source utilities were included, along with additional drivers for broader device support. -
Mac OS X 10.0 “Cheetah”
Mac OS X 10.0 was released on March 24, 2001, incorporating many features contributed by users of the Mac OS X Public Beta. It included all the features of a modern operating system, such as memory protection, preventing programs from accessing each other's data and helping avoid system crashes. Device drivers could be loaded or unloaded as needed. -
Mac OS X 10.2 “Jaguar”
Released on August 25, 2002, Mac OS X v10.2 “Jaguar” featured improved performance, a refined interface, and over 150 enhancements. Key additions included better support for Microsoft Windows networks, Quartz Extreme for GPU-based graphics rendering, and a spam filter. -
Mac OS X 10.3 “Pantera”
Mac OS X v10.3 “Panther” was released on October 24, 2003. It offered significantly better performance, a major user interface update, and many improvements over Jaguar. It dropped support for older G3 models. Key enhancements included an updated Finder with a metallic interface and faster search capabilities. -
Mac OS X 10.4 “Tiger”
Mac OS X v10.4 “Tiger” was released on April 29, 2005, with over 200 new improvements. Like Panther, it dropped support for some older machines—specifically, any Apple device without a FireWire connection. Key new features included Spotlight, a content and metadata-based search system. -
Mac OS X 10.5 “Leopard”
Mac OS X v10.5 “Leopard” was released on October 26, 2007. It supported both PowerPC and the newer Intel-based Macs. A key feature introduced was Time Machine, which allowed users to go back to previous versions of folders, the entire hard drive, individual files, or even photo rolls in iPhoto. -
Mac OS X 10.6 “Snow Leopard”
The latest Mac operating system, Snow Leopard, was released on August 28, 2009. It is faster than its predecessors and includes several new features: a new Exposé integrated into the Dock, Chinese character input via the touchpad, automatic time zone adjustment, and support for connecting to Microsoft Exchange 2007 servers. -
Mac OS X 10.7 Lion
A key feature introduced in the 2011 update was Launchpad, inspired by iOS. Other highlights included: Mission Control for desktop management, full-screen apps, and multitouch gestures. -
Mac OS X 10.8 Mountain Lion
Mountain Lion brought more successful iOS concepts to Mac, including a new Messages app replacing iChat, the Reminders app, and the Notification Center. Even before OS X 10.8 was introduced, Apple announced it would adopt an annual update cycle for Mac OS. -
Mac OS X 10.9 Mavericks
With Mavericks, Apple introduced a new naming scheme for its operating system and made OS X 10.9 a free update, committing to keep future updates free as well. New apps like Maps and iBooks were also introduced. -
Mac OS X 10.10 Yosemite
Mac OS 10.10 Yosemite brought the biggest design change in years, adopting a flatter look with blurred transparency, similar to iOS. The new Handoff feature allowed users to seamlessly switch between devices during tasks. Apple also emphasized the Full-Screen Mode, now activated via the traditional green window button. -
Mac OS X 10.11 El Capitán
In 2016, macOS introduced several key features: -Split View to use two apps side by side -Metal for Mac, a graphics technology from iOS that improves GPU performance -An enhanced Spotlight with info like weather and stocks
-Improvements to built-in apps like Safari, Notes, and Photos -
MacOS Sierra
Released on September 20, 2016, this version marked a major change in naming—dropping "Mac OS X" for the simpler macOS, the first change of this kind since 2000. While the name nods to the past, the system continues the evolution started by previous versions. -
MacOS High Sierra
Unveiled on June 5, 2017 at WWDC, this macOS version focused on system performance. It introduced Metal 2, Apple's new graphics API set to replace OpenCL and OpenGL. Additionally, SSDs could now use the APFS file system, offering faster read and write speeds. -
MacOS Mojave
This macOS version introduced Dark Mode, a redesigned Mac App Store, new and dynamic wallpapers, and new apps like Home, Voice Memos, and Stocks. It was also the last version to support 32-bit apps, as Apple announced their removal in future updates. -
MacOS Catalina
MacOS Catalina, the 16th major version of Apple’s desktop OS, was announced at WWDC on June 3, 2019, and released on October 7, 2019. It is the first macOS version to support only 64-bit apps and is available for download from the Mac App Store. -
MacOS Big Sur
MacOS Big Sur is the 17th major version of Apple’s desktop operating system, succeeding macOS Catalina. It was announced at WWDC on June 22, 2020, and became available for download from the Mac App Store on November 12, 2020.