The desktop version aimed at regular users- Mac OS X 10.0-shipped in March 2001. It was built using the technologies Apple acquired from NeXT, but didn’t include the signature Aqua user interface (UI). MacOS was first released in 1999 as Mac OS X Server 1.0. To ease the transition for users and developers, versions through 10.4 were able to run Mac OS 9 and its applications in a compatibility layer. The transition was a technologically and strategically significant one. However, the current macOS is a Unix operating system built on technology that had been developed at NeXT from the 1980s until Apple purchased the company in early 1997.Īlthough it was originally marketed as simply 'version 10' of the Mac OS (indicated by the Roman numeral 'X'), it has a completely different codebase from Mac OS 9, as well as substantial changes to its user interface. That system, up to and including its final release Mac OS 9, was a direct descendant of the operating system Apple had used in its Mac computers since their introduction in 1984. Gemini 2(around $30) - a powerful, premium app for finding duplicate files and recovering free space.The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its 'classic' Mac OS.Disk Inventory X - a free app for visualizing where all your disk space has gone.CCleaner - a free tool that cleans the 'crap' from your Mac, including temporary files and downloads.

AppCleaner - a free tool for listing and deleting applications, including the files they leave behind.

There are already a handful of apps that can help you do this: Until Project Infinite becomes available, you'll have to make do with everything else you can do to create free space on your Mac. The basic idea behind the feature has already been used in iCloud Photo Library, which encourages you to store your originals in the cloud and access them as you need them. If you have a spare old Mac lying around, you might want to put it to good use as a NAS drive or fileserver and store non-essential items on that instead.Īnother thing Optimize Storage promises to do is help you isolate items you may be better off deleting.

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