{"slug": "fuzix", "name": "FUZIX", "category": "os", "category_name": "Operating systems and desktop", "description": "", "recommenders": 3, "commenters": 5, "warners": 0, "score": 3.144, "rising": -0.98, "first": "2025-11-18", "latest": "2026-06-24", "why": "Very cool, happy to find out about Fuzix running on these dirt cheap SoCs", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 4, "neutral": 2, "compare": 0, "warn": 0}, "spark": [1, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "Very cool, happy to find out about Fuzix running on these dirt cheap SoCs", "kind": "", "icon": false, "domain": null, "github_repo": "codeberg.org/etchedpixels/fuzix", "official_url": "https://fuzix.org/", "pricing": "", "aliases": ["FUZIX", "Fuzix"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 778532176, "item_id": 48658261, "url": "https://news.ycombinator.com/item?id=48658261", "by": "Tepix", "date": "2026-06-24", "version": null, "stance": "recommend", "quote": "FUZIX is a better fit.", "excerpt": "FUZIX is a better fit. https://codeberg.org/EtchedPixels/FUZIX", "context": "", "use_case": "", "switched_from": "", "story": "Raspberry Pi Pico W as USB Wi-Fi Adapter"}, {"id": 773970864, "item_id": 48373179, "url": "https://news.ycombinator.com/item?id=48373179", "by": "dredmorbius", "date": "2026-06-02", "version": null, "stance": "recommend", "quote": "Fuzix might be another option", "excerpt": "Fuzix might be another option: <https://fuzix.org/>. Works on the RISC-V 32-bit processor, sometimes.", "context": "", "use_case": "", "switched_from": "", "story": "Muxcard, a dyi credit card size computer"}, {"id": 741355232, "item_id": 46334702, "url": "https://news.ycombinator.com/item?id=46334702", "by": "Tepix", "date": "2025-12-20", "version": null, "stance": "recommend", "quote": "Very cool, happy to find out about Fuzix running on these dirt cheap SoCs", "excerpt": "Very cool, happy to find out about Fuzix running on these dirt cheap SoCs (I paid 0.57\u20ac per RP2040-Zero clone earlier this year!) And someone is even working on adding TCP/IP. I\u2019m assuming there\u2019s no memory protection between processes due to no MMU. It would be great to be able to use the USB port for the serial connection instead of having to connect pins for a serial port connection. There\u2019s also https://github.co", "context": "", "use_case": "Unix-like OS on microcontrollers", "switched_from": "", "story": "Fuzix on a Raspberry Pi Pico"}, {"id": 735430512, "item_id": 45964407, "url": "https://news.ycombinator.com/item?id=45964407", "by": "blippage", "date": "2025-11-18", "version": null, "stance": "recommend", "quote": "There's also Fuzix, which is Unix-like.", "excerpt": "There's also Fuzix, which is Unix-like. https://fuzix.org/ Supports Arm M0 (Raspberry Pi Pico), ESP32 and a variety of others, including Z80.", "context": "", "use_case": "", "switched_from": "", "story": "Run ancient UNIX on modern hardware"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["unix-like os on microcontrollers"], "compared": [], "makers": [{"id": 783849376, "item_id": 48990586, "url": "https://news.ycombinator.com/item?id=48990586", "by": "roygbiv2", "date": "2026-07-21", "version": null, "stance": "neutral", "quote": "my fuzix port bootable", "excerpt": "An a4000..wow my dream machine. I have an ACA1221lc[0] in there. A firm believer in real hardware. I really want an easy way of swapping out the cf card so I can make my fuzix port bootable and easily reflash the card. For the moment I have a floppy disk that loads my network card drivers and then copies the kernel over the network into ram. That makes debugging things way easier than having to burn a floppy with eve", "context": "", "use_case": "Porting to m68k retro hardware", "switched_from": "", "story": "Linux on the Atari Jaguar. No, really."}, {"id": 765109056, "item_id": 47819316, "url": "https://news.ycombinator.com/item?id=47819316", "by": "retrac", "date": "2026-04-18", "version": null, "stance": "neutral", "quote": "FUZIX's creator has been writing a portable C compiler", "excerpt": "Yes. It has Unix style processes. The basic memory model is similar to ancient Unix on the PDP-11 without paging. A process gets a flat memory space. Processes are swapped out in the background as necessary. How it is implemented varies by platform. On the 8-bit micros it takes advantage of bank-switching memory hardware if there is any. On the MMUless 68K a flat single address space can be used with position-indepen", "context": "", "use_case": "", "switched_from": "", "story": "Fuzix OS"}], "threads": [{"url": "https://news.ycombinator.com/item?id=47816625", "title": "Fuzix OS", "mentions": 3}, {"url": "https://news.ycombinator.com/item?id=46271115", "title": "Fuzix on a Raspberry Pi Pico", "mentions": 2}, {"url": "https://news.ycombinator.com/item?id=48808663", "title": "Linux on the Atari Jaguar. No, really.", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48654676", "title": "Raspberry Pi Pico W as USB Wi-Fi Adapter", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48342399", "title": "Muxcard, a dyi credit card size computer", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=45958717", "title": "Run ancient UNIX on modern hardware", "mentions": 1}], "sentiment_by_month": {"2025-11": {"recommend": 1}, "2025-12": {"recommend": 1, "neutral": 1}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {"neutral": 1}, "2026-05": {}, "2026-06": {"recommend": 2}, "2026-07": {}, "2026-08": {}, "2026-09": {}, "2026-10": {}}, "versions": [], "version_unnamed": 0, "family_ref": null, "runs_on": null, "lines": [], "quotes": [{"id": 778532176, "item_id": 48658261, "url": "https://news.ycombinator.com/item?id=48658261", "by": "Tepix", "date": "2026-06-24", "version": null, "stance": "recommend", "quote": "FUZIX is a better fit.", "excerpt": "FUZIX is a better fit. https://codeberg.org/EtchedPixels/FUZIX", "context": "", "use_case": "", "switched_from": "", "story": "Raspberry Pi Pico W as USB Wi-Fi Adapter"}, {"id": 773970864, "item_id": 48373179, "url": "https://news.ycombinator.com/item?id=48373179", "by": "dredmorbius", "date": "2026-06-02", "version": null, "stance": "recommend", "quote": "Fuzix might be another option", "excerpt": "Fuzix might be another option: <https://fuzix.org/>. Works on the RISC-V 32-bit processor, sometimes.", "context": "", "use_case": "", "switched_from": "", "story": "Muxcard, a dyi credit card size computer"}, {"id": 765078608, "item_id": 47817413, "url": "https://news.ycombinator.com/item?id=47817413", "by": "retrac", "date": "2026-04-18", "version": null, "stance": "neutral", "quote": "No I think Alan just moved where it's hosted", "excerpt": "No I think Alan just moved where it's hosted: https://codeberg.org/EtchedPixels/FUZIX last updated 4 days ago Alan's currently putting most of his energy into the compiler. It's a C compiler in C which can compile itself, and compile FUZIX, for 8080 and Z80 targets. The goal is to make it compile itself on all the platforms it can run on eventually. :) https://codeberg.org/EtchedPixels/Fuzix-Compiler-Kit", "context": "", "use_case": "", "switched_from": "", "story": "Fuzix OS"}, {"id": 765078048, "item_id": 47817378, "url": "https://news.ycombinator.com/item?id=47817378", "by": "tonymillion", "date": "2026-04-18", "version": null, "stance": "neutral", "quote": "Except it\u2019s not\u2026", "excerpt": "Except it\u2019s not\u2026 https://codeberg.org/EtchedPixels/FUZIX", "context": "", "use_case": "", "switched_from": "", "story": "Fuzix OS"}, {"id": 741356608, "item_id": 46334788, "url": "https://news.ycombinator.com/item?id=46334788", "by": "verytrivial", "date": "2025-12-20", "version": null, "stance": "neutral", "quote": "This port of Fuzix to the Pico was done by David Given.", "excerpt": "This port of Fuzix to the Pico was done by David Given. In 2021 he also screen-recorded and narrated basically his entire effort porting Fuzix to similarly-sized ESP8266. Really very interesting if you are in to that sort of thing! https://cowlark.com/2021-02-09-esp8266-fuzix/index.html", "context": "", "use_case": "", "switched_from": "", "story": "Fuzix on a Raspberry Pi Pico"}, {"id": 741355232, "item_id": 46334702, "url": "https://news.ycombinator.com/item?id=46334702", "by": "Tepix", "date": "2025-12-20", "version": null, "stance": "recommend", "quote": "Very cool, happy to find out about Fuzix running on these dirt cheap SoCs", "excerpt": "Very cool, happy to find out about Fuzix running on these dirt cheap SoCs (I paid 0.57\u20ac per RP2040-Zero clone earlier this year!) And someone is even working on adding TCP/IP. I\u2019m assuming there\u2019s no memory protection between processes due to no MMU. It would be great to be able to use the USB port for the serial connection instead of having to connect pins for a serial port connection. There\u2019s also https://github.co", "context": "", "use_case": "Unix-like OS on microcontrollers", "switched_from": "", "story": "Fuzix on a Raspberry Pi Pico"}, {"id": 735430512, "item_id": 45964407, "url": "https://news.ycombinator.com/item?id=45964407", "by": "blippage", "date": "2025-11-18", "version": null, "stance": "recommend", "quote": "There's also Fuzix, which is Unix-like.", "excerpt": "There's also Fuzix, which is Unix-like. https://fuzix.org/ Supports Arm M0 (Raspberry Pi Pico), ESP32 and a variety of others, including Z80.", "context": "", "use_case": "", "switched_from": "", "story": "Run ancient UNIX on modern hardware"}]}