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Apple Mac OS X: ten years old today

A decade of Ten

Aqua

Finder and Aqua differed considerably from OS X's OpenStep forebears, but brought a more svelte look to the Mac OS too. Icons could be rendered at up to 128 x 128 pixels - four times the size in each axis of Mac OS 9's 32 x 32 icons. It was designed to use 32-bit colour as standard.

Mac OS X Cheetah Dock

The (then) new Dock

Aqua also introduced new methods of compositing the visual components to create the combined on-screen image, resulting in the use of smoother drop shadows and curved corners, and a glossier, more arty UI.

The Mac OS X 10.0 version of Aqua used gentle stripes in the menu bar, window tops and toolbars - customisable window toolbars was an OS X introduction, as was the application Dock, an OpenStep carry-across - and throughout the OS' visuals.

Mac OS X Cheetah Menu Bar

Stripes on the menu

The stripes faded with each subsequent release, eventually vanishing for good, but other Cheetah innovations remain: a new column view for windows, an Apple menu for system-wide options, the close-minimise-fit to content 'traffic light' window controls, and a System Preferences control panel.

Mac OS X Cheetah window buttons

Apple's advice

Cheetah didn't do everything we now take from granted, though. Most Mac users now have a whole line of tiny icons at the right-hand side of their menu bars, but in the first major OS X release, date and time was pretty much it. Application and system control switches were implemented in the Dock, as "Docklings", an approach this didn't last.

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