Kron Devlog #2: copy is done — threads, syscalls and a performance problem I haven't solved yet

📰 Dev.to · Jeremy Nobel

Learn how to approach building a copy command in an operating system, including handling threads, syscalls, and performance optimization

intermediate Published 23 Mar 2026
Action Steps
  1. Build a copy command using threads to handle concurrent file operations
  2. Implement syscalls to interact with the operating system and manage file descriptors
  3. Test the copy command with various file types and sizes to identify performance bottlenecks
  4. Use profiling tools to analyze the performance of the copy command and identify areas for optimization
  5. Apply optimization techniques, such as caching or buffering, to improve the performance of the copy command
Who Needs to Know This

Developers working on operating system development or low-level system programming can benefit from this article, as it provides insight into the challenges and solutions of building a copy command

Key Insight

💡 Building a copy command requires careful consideration of threads, syscalls, and performance optimization to ensure efficient and reliable file operations

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💡 Building a copy command? Learn how to handle threads, syscalls, and performance optimization in this devlog #KronDevlog #OSDev

Key Takeaways

Learn how to approach building a copy command in an operating system, including handling threads, syscalls, and performance optimization

Full Article

Compared to previous commands, copy was relatively straightforward to build. The options — recursive,...
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