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 Screenshot of AmigaOS 4.1 | |
| Developer | Commodore International, Hyperion Entertainment |
|---|---|
| Written in | Assembly language, BCPL, C |
| OS family | Amiga |
| Working state | Current |
| Source model | Closed source |
| Initial release | July 23, 1985 |
| Latest release | 4.1 Final Edition Update 2 / January 12, 2021 |
| Platforms | M68K: versions 1.0 through 3.9 PowerPC: versions 4.0 through 4.1 |
| Kernel type | Microkernel |
| Default user interface | Graphical (Workbench) |
| License | Proprietary |
| Official website | www |
AmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers. It was developed first by Commodore International and introduced with the launch of the first Amiga, the Amiga 1000, in 1985. Early versions of AmigaOS required the Motorola 68000 series of 16-bit and 32-bit microprocessors. Later versions were developed by Haage & Partner (AmigaOS 3.5 and 3.9) and then Hyperion Entertainment (AmigaOS 4.0-4.1). A PowerPC microprocessor is required for the most recent release, AmigaOS 4.
AmigaOS is a single-user operating system based on a preemptive multitasking kernel, called Exec.[1]
It includes an abstraction of the Amiga's hardware, a disk operating system called AmigaDOS, a windowing system API called Intuition, and a desktop environment[2] and file manager called Workbench.
The Amiga intellectual property is fragmented between Amiga Inc., Cloanto, and Hyperion Entertainment. The copyrights for works created up to 1993 are owned by Cloanto.[3][4] In 2001, Amiga Inc. contracted AmigaOS 4 development to Hyperion Entertainment, and in 2009 they granted Hyperion an exclusive, perpetual, worldwide license to AmigaOS 3.1 in order to develop and market AmigaOS 4 and subsequent versions.[5]
On December 29, 2015, the AmigaOS 3.1 source code leaked to the web; this was confirmed by the licensee, Hyperion Entertainment.[6][7]
- ^ "Carl Sassenrath". Retrieved May 23, 2022.
- ^ "The Amiga Workbench". Retrieved May 23, 2022.
- ^ "Cloanto". Amiga Documents. Retrieved February 20, 2015.
- ^ "Cloanto confirms transfers of Commodore/Amiga copyrights". amiga-news.de. February 19, 2015. Retrieved February 20, 2015.
- ^ "Hyperion, Amiga, Inc. Reach Settlement, All Legal Issues Resolved". OSNews. October 17, 2009. Archived from the original on October 19, 2009. Retrieved October 18, 2009.
- ^ Larabel, Michael (January 5, 2016). "Hyperion Confirms Leak Of AmigaOS 3.1 Source Code". Phoronix.
- ^ "Amiga OS Kickstart and Workbench source coded leaked | Vintage is the New Old". Commodore.ninja. Retrieved April 22, 2016.
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