TacOS
Infrastructure
hobby operating system kernel
SHOW HN2025
320points
81comments
#157of 3,837 in 2025
Top 5%of 2025 by points
How HN took it
MixedNo clear lean
13 positive, 12 neutral or asking, 0 mixed, 4 critical, out of 29 comments about the project. Thread score +0.32.
Idea: 5 for, 2 againstExecution: 1 for, 2 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
Objections
Doom is a weak benchmark for OS capability
From 2 comments
Hurd isn't exactly a useful project, but using Doom as the benchmark for the capability of an OS is a bit ridiculous.
fr4nkr on HNYeah, that's perfectly fair. I raised my question because it occurred to me this kind of sells the operating system short. In other words: even DOS could run Doom (with some help…
justin66 on HN
Written in C rather than a memory-safe language
From 1 comment
Very cool, but why choose an unsafe language when today there exists low-level memory-safe languages? We all know already that most of security bugs are memory related. I get…
worldsavior on HN
Requests
Boot directly into Doom as a dedicated image
From 1 comment
Dude, I'm impressed cause I don't the energy to build my own OS kernel! But here's a wacky idea. Just set it up so that the OS only runs DOOM as default. Boots directly into Qemu…
thewileyone on HN
Port Vim or similar editors
From 1 comment
Yeah definitely an achievement I'm happy with. I've got a bit of refactoring to do, ANSI parsing etc then I'd like to port more - perhaps even Vim (or another portable Vim-like…
UnmappedStack on HN
Questions
How process isolation and scheduling work
From 2 comments
Very cool project! How are you handling process isolation and scheduling in TacOS?
badmonster on HNReally curious to learn more about TacOS. How does it manage running multiple programs safely at the same time?
NoScopeNinja on HN
How to run it on a laptop
From 1 comment
Hi, congratulations! You must be feeling proud. Nice choice of proof of concept (DOOM). Sorry to disappoint you but all I have are some noob questions. What would be the steps to…
planck_tonne on HN
Alternatives named
GNU Hurd
From 2 comments
A few months work by one guy and already more capable than the Hurd. Imagine what you could accomplish given 35 years.
donnachangstein on HN> A few months work by one guy and already more capable than the Hurd It is no way capable than Hurd. It is a cool project though. Have you used Hurd recently? It can run a…
dxroshan on HN