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A comment on The RustyHermit Unikernel. Parent comment

Re:The RustyHermit Unikernel by pjmlp on Monday January 25, 2021 @12:20AM (#25899572)
Game consoles, and back in the day most MS-DOS, Amiga and Atari Games that only used hardware directly with OS services could in retrospective be considered some form of unikernels.

Amiga games used to be written such that they would boot the computer from floppy.

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Re:The RustyHermit Unikernel by user-the-name on Monday January 25, 2021 @06:30AM (#25902015)
The Amiga had a large part of its regular OS libraries in ROM, and the base OS was available directly to the bootloader on the floppy.

You could ignore it and access the hardware directly, if you wanted, and many games did, but you could also use the OS if you wanted to.

The default bootloader would basically just say "launch the default shell and tell it to load the startup shell script file".

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