Since the release of System 1 in January 1984, Apple has played an integral role in designing and implementing the graphical user interface (GUI) as we know it.

Which Mac OS X security tool allows users to have restricted access via file privileges and specific login periods as well as creating virtual safes? FileGuard Which antivirus software program protects Macs against viruses of all types, including macro viruses and those targeting the OS, and is nonintrusive? Mac OS X Snow Leopard(version 10.6) is the seventhmajor releaseofMac OS X,Apple's desktop and serveroperating systemfor Macintoshcomputers. 1 Features 2 Release 3 Trivia 4 References Unlike previous versions of Mac OS X, the goals of Snow Leopard were improved performance, greater efficiency and the reduction of its overallmemory footprint. Addition of new end-user features was not a primary.

With the announcement of OS X Mountain Lion this week, Apple is continuing the process it started with Lion by streamlining the connection between the Mac and iOS.

We wanted to take a look at some of the biggest changes in the history of the Mac Operating System over the last 28 years. Looking back, I can't help but be struck by how many elements of the original Macintosh OS are still there more than 30 years after the project started taking shape.

It's a testament to the work of Bill Atkinson, Andy Hertzfeld, Bud Tribble and the other members of the original Macintosh team that so many aspects from System 1 have become integral to personal computing as we know it today.

There are a few phases in the evolution of the Mac OS that are of particular note. System 7 was the longest-running release for Apple (until OS X); it shipped with all Macintosh machines from 1991 to 1997. If you're in your mid-to-late 20s and used a Mac in elementary or middle school, chances are it was running some iteration of System 7.

One of the many challenges Apple faced in the 1990s was figuring out a new operating system strategy. As revolutionary as the original Mac OS work was, by 1994 it was starting to look stagnant and stale. This was especially true after the first release of Windows NT in 1993, which cemented Microsoft's place in the corporate and enterprise space.

After the Copland project was cancelled in 1996, Apple was left to search for an operating system it could acquire. That led to the purchase of NeXT and its NeXTSTEP operating system.

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Not only would NeXT technology serve as the foundation for the future of Apple as it is known today (OS X and iOS are direct descendants of NeXTSTEP), it was responsible for bringing Steve Jobs back to Apple.

It would end up taking ten years from the beginning of the search for a next-generation Mac OS. But the hunt finally reached its quarry with the release of Mac OS X in 2001. But it would take until Mac OS X 10.2 (Jaguar) before the system was really able to hold its own.

Over the last decade, OS X has evolved into a powerful desktop and server platform — while also serving as the core for iOS. With OS X Mountain Lion, Apple is bringing more of the elements and features of its mobile OS to the desktop.

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Vintage computer fans who want to take a look at more screenshots of classic Mac OS versions should check out Marcin Wichary's GUIdebook Gallery and Nathan Lineback's collection of GUI history.

Gallery created by Chelsea Stark

I love that some people have too much time on their hands. Thanks to Slack developer Felix Rieseberg, you can now run Mac OS 8 on a 1991 Macintosh Quadra 900 without any messing about with separate emulators and OS installs. The whole thing runs on your Mac as a single, standalone Javascript app…

You can also run it on a Windows or Linux machine.

The virtual machine is emulating a 1991 Macintosh Quadra 900 with a Motorola CPU, which Apple used before switching to IBM’s PowerPC architecture in the late 1990s.

Bear in mind that this is written entirely in JavaScript, so please adjust your expectations.

The underlying emulator is Basilisk II, a 68k Macintosh emulator by Christian Bauer et al, modified and compiled with Emscripten by James Friend.

Rieseberg says it should run most Mac OS 8-compatible apps, and even comes with some supplied ones.

You’ll find various games and demos preinstalled, thanks to an old MacWorld Demo CD from 1997. Namely, Oregon Trail, Duke Nukem 3D, Civilization II, Alley 19 Bowling, Damage Incorporated, and Dungeons & Dragons.

There are also various apps and trials preinstalled, including Photoshop 3, Premiere 4, Illustrator 5.5, StuffIt Expander, the Apple Web Page Construction Kit, and more.

But if you want to load others, you can do that.

Can I transfer files from and to the machine? Yes, you can. Click on the “Help” button at the bottom of the running app to see instructions. You can transfer files directly, or mount disk images.

All you need do is copy files into the macintosh.js folder in your user directory and restart the app. Open the Unix volume on the desktop and you’ll find them in there.

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If you want to mount disk images, just place the .iso or .img volume into the same folder and re-open the app. Rieseberg does caution that there is a “considerable” performance hit for each mounted volume, so one at a time might be advisable.

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The same also works in reverse if you want to transfer files from the emulator to your Mac: Just open the Unix volume and the macintosh.js folder within it, copy files to that folder, and then quit the app. That will force a sync that copies them to the folder on your own Mac.

One thing you can’t do, sadly, is connect to the web.

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The web was quite different 30 years ago — and you wouldn’t be able to open even Google. However, Internet Explorer and Netscape are installed, as is the ‘Web Sharing Server,’ if you want to play around a bit.

Of course, Javascript isn’t exactly the most efficient environment, so I found the app was using around 100% of one CPU core, but it’s certainly a fun trip down memory lane!

You can download the app from GitHub — just scroll down to the Downloads section.

Via the Verge

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