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About AmigaOS
About AmigaOS

AmigaOS is a lightweight, compact, pre-emptive multitasking operating system which has evolved into a very stable and compelling system over the last 20 years.

History has benefited the AmigaOS with a unique middle-ground position that gives it extraordinary scalability and grants it many of the advantages traditionally associated with embedded Operating Systems as well the flexibility and feature-rich environment of a desktop OS.

The last version released is AmigaOS4, which is written and maintained by Hyperion.

AmigaOS4 running in all it's glory:

Main features:
  • Quick on / instant off
    • Very fast booting. About 10-15 seconds from a cold start.
    • No need to wait before shuting the system down. Just hit the power button.
  • 680x0 JIT emulation and Interpreted machine code emulation.
    • Fully integrated 68k emulator
    • High compatibility
  • Improved memory handling
    • Memory stab allocating system.
    • Virtual memory address space.
    • Memory protection.
  • Datatypes
    • Used to handle all kinds of fileformats this allows applications to support new filetypes written by third party datatype developers automatically.
    • Several programs can make use of the same set of datatypes
  • Menu systems
    • Menu bar at the top of the screen allows easy access to OS functions.
    • Dockable menus allow easy access to your most commonly used programs.
  • Window stacking
    • Allows you to arrange the windows in any order you like.
  • Screens
    • You can use several screens at ones to make more space for applications.
    • Screens can be dragged off in any direction
    • You can drag drop files between screens and windows.
  • 3D Graphics Acceleration
    • The Warp3D API has provided a basis for new 3D games to be developed for the Amiga platform. Many titles has been ported from other systems.
    • MiniGL has allowed easy portability of some OpenGL titles as well.
  • ARexx script language
    • Automate and integrate functionality between applications.
    • Extreme interoperational capabilities between software.
  • Responsiveness
    • The Amiga OS kernel is extremely lightweight and efficient.
    • Very fast inter-process communications and context switching.
    • Fully pre-emptive multitasking scheduler that ensures important tasks will get a fair share of processing time
    • Clever task scheduling makes OS feel fast and responsive.
  • Icon handling
    • Files can have a default icon representing the type of file or a custom icon specific to the individual file.
    • Supports a variety of iconformats.
  • Understandable file structure
    • OS files are divided up into clearly labelled drawers so you know exactly where to find whatever you're looking for.

Another screenshot of the magnificent AmigaOS:

More features:

  • RAM disk
    • Virtual HD that stores files and data in memory rather than on your actual hard drive.
    • The RAM drive takes up only as much of your memory as it needs to.
    • Very fast to access (read/write).
    • Can be used to temporarily store files.
    • Cleared after a reboot so you won't be cluttering up your computer with unused files.
  • Scalability
    • OS4 is l ean, mean and efficient enough to run on the kind of hardware that these days you would expect to find in a PDA or advanced smartphone.
    • Fully featured OS that can run high-end desktop or server applications.
  • XAD
    • XAD provides a common library interface for archive files such as ZIP, LHA and TAR.
    • By accessing the XAD library interface, any application can transparently read the contents of any archive in any format handled by XAD.
  • The Grim Reaper
    • AmigaOS4.0 has added the Grim Reaper, a smart crash handling system that will catch those "guru" errors and stop them getting out of control.
    • It also provides information about what went wrong which is usefull for developers.
  • Customisable GUI
    • The ReAction GUI system is highly configurable, allowing you to create your own look for your computer, or use one someone else has created.
    • Allows you to replace window gadgets, apply gradients or textures of your choice to most elements in the interface.
  • Locale
    • Change the OS language on the fly, no need for a reboot.
    • With catalogs you can change language files for applications as well.
  • Better drive labels
    • Each device/driver/folder can be given a name (or several names).
    Add an unlimited amount of drives. (Windows is limited to the letters A-Z)
  • The Shell
    • Environment for accessing your system through text commands.
    • Allows drag and drop of files and folders onto the Shell window
  • Save / Use / Cancel
    • Select "Use" in your applications to use the configuration temporarily.
    • If you select "Use", only the RAM drive config files are changed, and after a reboot you will have your old settings back.
  • Dock menu
    • AmiDock is a fully configurable docking bar for icons, allowing quick access to your most used applications, wherever they are.
    • These dock bar icons are fully dynamic, which means they can show real-time content and act as useful micro tool
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