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Learn Rust by writing a small OS (os.phil-opp.com)

534 points by elamje · 1663 days ago · 80 comments on HN

Article summary

The article discusses a blog series that creates a small operating system in the Rust programming language. Each post in the series is a tutorial that includes the necessary code, allowing readers to follow along. The series covers topics such as creating a freestanding Rust binary, implementing a minimal kernel, and handling CPU exceptions. The goal of the series is to provide a comprehensive guide to writing an operating system in Rust.

Main themes

  • Rust programming language
  • Systems programming
  • Operating system development
  • Low-level programming
  • Memory safety
  • Performance optimization
  • Language choice and ecosystem

What commenters say

  • Rust is a suitable language for systems programming due to its focus on memory safety and performance.
  • Learning C first can provide a better understanding of low-level programming concepts before moving to Rust.
  • Rust's abstractions can be both beneficial and hindering when learning low-level programming, depending on the individual's goals and experience.
  • The choice of systems programming language ultimately depends on personal preference, project requirements, and the desired ecosystem.
  • Rust can be used in a C-like style, but its standard library and ownership semantics may not be suitable for all use cases, such as embedded programming.
  • Other languages, such as C++, Ada, and Go, may also be suitable for systems programming, depending on the specific needs and constraints of the project.
  • Rust's unique features, such as its type system and error handling, make it a valuable choice for systems programming, but may require additional learning and adaptation.
  • The value of learning Rust or any other systems programming language lies in its ability to provide a comprehensive understanding of computer science concepts and low-level programming principles.