Up until AmigaOS 3.1, matching versions of Kickstart and Workbench were typically released together. Notably, AmigaOS lacks any built-in memory protection.ĪmigaOS is formed from two parts, namely, a firmware component called Kickstart and a software portion usually referred to as Workbench.

The CLI and Workbench components share the same privileges.

AmigaOS provides an abstraction of the Amiga's hardware, a disk operating system called AmigaDOS, a windowing system API called Intuition and a desktop file manager called Workbench.Ī command-line interface (CLI), called AmigaShell, is also integrated into the system, though it also is entirely window-based. Components ĪmigaOS is a single-user operating system based on a preemptive multitasking kernel, called Exec. On December 29, 2015, the AmigaOS 3.1 source code leaked to the web this was confirmed by the licensee, Hyperion Entertainment. 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. The copyrights for works created up to 1993 are owned by Cloanto. The Amiga intellectual property is fragmented between Amiga Inc., Cloanto, and Hyperion Entertainment.

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 and file manager called Workbench. A PowerPC microprocessor is required for the most recent release, AmigaOS 4.ĪmigaOS is a single-user operating system based on a preemptive multitasking kernel, called Exec. Later versions were developed by Haage & Partner (AmigaOS 3.5 and 3.9) and then Hyperion Entertainment (AmigaOS 4.0-4.1). Early versions of AmigaOS required the Motorola 68000 series of 16-bit and 32-bit microprocessors. It was developed first by Commodore International and introduced with the launch of the first Amiga, the Amiga 1000, in 1985. Commodore International, Hyperion EntertainmentĤ.1 Final Edition Update 2 / January 12, 2021 2 years ago ( )ĪmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers.

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