RealXV6
a faithful Unix V6 kernel port to 8086 real mode
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HN · launched Jan 25, 2026 · 5 upvotes (top 90%) · 1 view
Niche: experimental and embedded operating systems · 142 launches, 6 in the last 7 days ▼ -60% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 142 launches in experimental and embedded operating systems →
Could you build this?
No Porting an operating system kernel (Unix V6/xv6) to run on bare-metal 8086 real mode requires deep knowledge of 16-bit x86 architecture, segmented memory, and low-level hardware interrupts.
What it would actually take: The project requires writing low-level x86 16-bit assembly, custom bootloaders, interrupt handlers (e.g., BIOS INT 10h/13h/16h), and rearchitecting the kernel memory management around real-mode 20-bit segmented addressing (CS:IP, DS:SI) without hardware MMU paging. Testing and debugging require low-level emulator tooling like QEMU/Bochs and hardware logic analyzers, demanding specialized operating system architecture and legacy x86 systems programming expertise.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one : 3146 launches clear the similarity bar, closest 8 shown.
Attention rank: #2918 of 3147 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 86 days after the earliest competitor.
- AegisNT · github · 2026-10-25 · 31 upvotes · similarity 0.68
- eggshell · github · 2026-11-03 · 103 upvotes · similarity 0.65
- holodor · github · 2026-09-23 · 14 upvotes · similarity 0.63
- hardware · github · 2026-10-25 · 12 upvotes · similarity 0.61
- Unix for the Commodore 64? Open Source · hn · 2026-02-26 · 15 upvotes · similarity 0.60
- Vanilla OS 3 Reunion · hn · 2026-08-24 · 33 upvotes · similarity 0.60
- moxnox · github · 2026-10-22 · 20 upvotes · similarity 0.60
- Portview, A diagnostic-first port viewer for Linux (~930 KB, zero deps) · hn · 2026-02-08 · 5 upvotes · similarity 0.60
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