Xv6-Riscv 2025 Version
Posted4 months agoActive4 months ago
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Operating SystemsRisc-VXv6Education
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The Xv6-Riscv operating system has been updated to its 2025 version, sparking interest and enthusiasm among HN users for its educational value and simplicity.
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IMHO any wannabe programmer should spend some time here to fully grasp core concepts and not just high level stuff.
> xv6 is a re-implementation of Dennis Ritchie's and Ken Thompson's Unix Version 6 (v6). xv6 loosely follows the structure and style of v6, but is implemented for a modern RISC-V multiprocessor using ANSI C.
Book from a previous year: https://pdos.csail.mit.edu/6.828/2024/xv6/book-riscv-rev4.pd... (PDF)
It's great pedagogically because the kernel is simple, well-architected, and excellent for undergrads to work with. Historically, academic UNIX has been tremendously useful for development of new concepts, as well as teaching the next generation.
Some notes of interest: 1) all-around genius Russ Cox is one of the developers and teacher for the course. 2) another teacher is Robert Morris Jr, who developed the sendmail worm back in the day. He is now a professor at MIT.