Worked on the zed-industries/zed repository to address a file descriptor leak affecting Linux terminal process tracking. Focused on stabilizing long-running sessions by refactoring the PtyProcessInfo logic, the developer optimized the sysinfo refresh strategy and removed per-thread task enumeration, ensuring only the spawned child process is refreshed. This approach reduced resource pressure on shared systems and mitigated system-wide clipboard degradation linked to unbounded file descriptor growth. Using Rust and leveraging systems programming expertise, they introduced a regression test to guarantee the process map remains bounded during command execution, improving reliability and reducing the risk of EMFILE errors in production environments.