Anos is a hand-written 100KiB microkernel supporting x86-64 and RISC-V with user-mode preemptive multitasking on up to 16 CPUs. It features capability-based security, user-space device drivers, and a GCC-based toolchain. The GPLv2 project has reached toy kernel status and runs on real hardware.
Infrastructure
Show HN: Anos – a hand-written ~100KiB microkernel for x86-64 and RISC-V
100KiB hand-written microkernel achieves preemptive multitasking on up to 16 CPUs with capability-based security and user-space drivers across x86-64 and RISC-V.
Tuesday, April 7, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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