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I don’t understand: what makes this “DOS-like”? Not even the command names match DOS, except for dir and cls, and the architecture and feature set are completely different.

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The original blog post has more details: https://krusty.space/projects/rourexos/

Ultimately, it's an eye of the beholder type thing, but it seems very fair to call it DOS-like to me. The DOS inspiration is pretty blatant all throughout it from its aesthetic, commands (more than just dir and cls is shared), booting from a 1.44 floppy, etc. And if you are coming from a primarily windows computing background, then "DOS-like" is entirely appropriate to me.

It looks like a fun project.

Ah yes, the first version does indeed sound DOS-like. The second one diverges quite a bit though.

Fun project indeed.

You are right, it goes way ahead the first iteration. I call it DOS-like because of its resemblance to the Text mode-only operating systems (and to MS-DOS especially). On the other hand, it shares very little as the architecture, command set, or hardware utilization approach are concerned when compared to MS-DOS.

Single-user, single-task, VGA text-mode operating system with a basic filesystem (fat12), I guess.

Note the “guest” username in the prompt is a const, not multi-user: https://github.com/krustowski/rou2exOS/blob/6f85955dd339f09d...

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