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Os8088

Shares rank 32 of 87 operating systems by recommenders

Free operating system for IBM XT-class PCs, praised for its Mac-like look and compact assembly code, though critics say the font spoils the Mac illusion.

Free operating system for IBM XT-class PCs, praised for its Mac-like look and compact assembly code, though critics say the font spoils the Mac illusion.

25 people gave an opinion

recommend it
16
criticize it
9
approval share
64%
Each figure is one person. RecommendsCriticizes

Recommended in 2 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 16 people recommend itNeeds 10 or more, met.
  • 1.7 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 2 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Impressive, ambitious work on old hardware

    “This guy just built a preemptively-multitasking OS for the Intel 8088 chip”

    Comment from 19 Aug 2026 in “OpenLogi”

    “One has to admire the work and inventiveness in these projects.”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

    “This is something that hasn't been done before, and now exists.”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”
  • Intentional, hand-written-looking code and UI

    “Everything looks intentional. There are no bizarre UI elements that were hallucinated into existence.”

    Comment from 20 Aug 2026 in “Os8088.com: IBM XT OS now has a Browser, CP/M 2.2 with Z80 core and MS Word 1.1a”

    “It looks much closer to real human-written Asm than compiler output, which is itself a big win.”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

    “intentional and supervised by someone who knows their sh*t”

    Comment from 20 Aug 2026 in “Os8088.com: IBM XT OS now has a Browser, CP/M 2.2 with Z80 core and MS Word 1.1a”

What people warn about

Each mark is one comment

  • Accused of being AI-generated

    “I think someone vibecoded a bad System 7 replacement that had at least some QuickDraw in it.”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

    “coding this dead end from 1978 in assembly rather than getting Claude to do it in six days”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

    “That's what happens when you let an LLM write your ad-copy...”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”
  • Font spoils the Mac illusion

    “It looks surprisingly Mac-like, except the font kind of spoils the illusion.”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

    “I don't think you can call it Mac-like without proportional fonts.”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”
  • Code no better than compiler output

    “The code doesn't look much better than what a good C compiler might produce”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

    “Now it's the equivalent of a 1st-grader showing off their finger-painting”

    Comment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

Other operating systems people recommend

The four most recommended other operating systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Os8088 compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Windows1,2873,58226%1310 yrs192 owners—
macOS1,0411,92835%1211 yrs183 owners—
Linux74527773%1219 yrs116 ownersApproved
FreeBSD3359478%1220 yrs69 ownersApproved
Os8088This page16964%2——
See all 87 operating systems, ranked

What people said

24 of the 27 comments that mention it, newest first. Each links to the original comment.

“This is AI generated and it's impressive too”

RecommendsComment from 11 Oct 2026 in “Open-source Microsoft Excel, PowerPoint, and Word replications”

“intentional and supervised by someone who knows their sh*t”

RecommendsComment from 20 Aug 2026 in “Os8088.com: IBM XT OS now has a Browser, CP/M 2.2 with Z80 core and MS Word 1.1a”

“Everything looks intentional. There are no bizarre UI elements that were hallucinated into existence.”

RecommendsComment from 20 Aug 2026 in “Os8088.com: IBM XT OS now has a Browser, CP/M 2.2 with Z80 core and MS Word 1.1a”

“It is almost unreadable because of the style.”

CriticizesComment from 20 Aug 2026 in “Os8088.com: IBM XT OS now has a Browser, CP/M 2.2 with Z80 core and MS Word 1.1a”

“This project is a great example of this.”

RecommendsComment from 20 Aug 2026 in “Os8088.com: IBM XT OS now has a Browser, CP/M 2.2 with Z80 core and MS Word 1.1a”

“This guy just built a preemptively-multitasking OS for the Intel 8088 chip”

RecommendsComment from 19 Aug 2026 in “OpenLogi”

“thanks for this, such fun!”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“Did not boot for me on an IBM PS/2 Model 30 (80286).”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“This is great. If I'd had the chance this is exactly what I would have run.”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“I think someone vibecoded a bad System 7 replacement that had at least some QuickDraw in it.”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“This is awesome and you should keep working on it.”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“I don't think you can call it Mac-like without proportional fonts.”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“The code doesn't look much better than what a good C compiler might produce”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“From running the demo in the browser, it seems so performance-wise and size-wise”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“This is something that hasn't been done before, and now exists.”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“Now it's the equivalent of a 1st-grader showing off their finger-painting”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“It looks much closer to real human-written Asm than compiler output, which is itself a big win.”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“coding this dead end from 1978 in assembly rather than getting Claude to do it in six days”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“the whole thing was built up by Claude. I closed the tab.”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“It's not a bad system, but it sounds easy to break.”

MixedComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“One has to admire the work and inventiveness in these projects.”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“It looks surprisingly Mac-like, except the font kind of spoils the illusion.”

MixedComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“That's what happens when you let an LLM write your ad-copy...”

CriticizesComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

“the source code on github reads like a book”

RecommendsComment from 9 Aug 2026 in “Os8088: A powerful Mac-like OS for the IBM XT, 286, 386”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.