18 Facts About AmigaOS

AmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers.

Early versions of AmigaOS required the Motorola 68000 series of 16-bit and 32-bit microprocessors.

AmigaOS is a single-user operating system based on a preemptive multitasking kernel, called Exec.

AmigaOS is a single-user operating system based on a preemptive multitasking kernel, called Exec.

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.

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AmigaOS is formed from two parts, namely, a firmware component called Kickstart and a software portion usually referred to as Workbench.

An unusual feature of AmigaOS is the use of multiple screens shown on the same display.

AmigaOS 4 introduced screens that are draggable in any direction.

AmigaOS was one of the first operating systems to feature speech synthesis with software developed by SoftVoice, Inc, which allowed text-to-speech conversion of American English.

AmigaOS has a dynamically sized RAM disk, which resizes itself automatically to accommodate its contents.

AmigaOS has support for the Rexx language, called ARexx, and is a script language which allows for full OS scripting, similar to AppleScript; intra-application scripting, similar to VBA in Microsoft Office; as well as inter-program communication.

The biggest difference is that the AmigaOS could operate fully and multitask in as little as 250 K of address space.

AmigaOS provides a modular set of system functions through dynamically-loaded shared libraries, either stored as a file on disk with a ".

The AmigaOS can make use of any filesystem for which a handler has been written, a possibility that has been exploited by programs like CrossDOS and by a few "alternative" file systems to the standard OFS and FFS.

AmigaOS 4 introduced new system for allocating RAM and defragmenting it "on the fly" during system inactivities.

Instead of the AmigaOS screen being the only shareable screen, applications could create their own named screens to share with other applications.

AmigaOS look and feel, though still largely based on the earlier 3.

Finally, the operating system of the 3DO Interactive Multiplayer bore a very strong resemblance to AmigaOS and was developed by RJ Mical, the creator of the Amiga's Intuition user interface.