Building a complete operating system in so few lines of code is an impressive feat, and making it comprehensive enough to teach students with goes well beyond that accomplishment as well.

Members of the open-source community can now contribute code to Fuchsia, an experimental operating system that Google LLC has been developing over the past four years. Fuchsia first appeared with ...

An appendix covers how to write your own operating system for RISC-V in about 1,000 lines of code. Don’t speak Japanese? An English version is available free on the Web and on GitHub.

Once the code for Lisa’s operating system and applications is released next year, everyone will be able to tinker with it and try it out.