Ubuntu 26.10 completes the distro’s move to Rust-based core utilities, with the commands previously held back due to security issues now migrated to memory-safe versions. cp, mv and rm were held back on their GNU versions in Ubuntu 26.04 LTS while TOCTOU (time-of-check to time-of-use) issues were addressed in the uutils versions. Wit those issues now resolved upstream, Ubuntu 26.10 has made the switch; the ‘Stonking Stingray’ ships with a full set of Rust core utilities, including ls, cat, chmod, chownand du. Canonical’s engineers began “oxidising” the distro – replacing foundational software with Rust alternatives – in 2025, noting the security benefits of doing so (as Rust catches memory bugs at compile time, […]