Worked on the uutils/coreutils repository to enhance error handling and user-facing reporting for file operations and installation workflows. Focused on Rust-based system programming, the work introduced a dedicated metadata retrieval function to clarify failures related to file paths, making error messages more actionable and reducing ambiguity during installation. Added targeted tests to verify that missing source files during installation are reported clearly, and improved error messages to include the specific source path when stat operations fail. This approach emphasized test-driven development, robust error handling, and path-aware diagnostics, resulting in more reliable install processes and reduced support overhead for users.