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Ubuntu's 'Rust-ification' Hits New Milestone: Coreutils Migration is Complete

slashdot.org · 11h · first reportShare

"Ubuntu has managed to do away with GNU Core Utilities in its default stack," reports the blog It's FOSS. The last three utilities — cp, mv and rm — have been moved to versions from the uutils project (which reimplements utilities in Rust). Everything else, from ls and cat to chmod and du, made that jump in earlier releases... Canonical started "oxidizing" Ubuntu last year, and Ubuntu 25.10 became the first release to ship [ the uutils project's] coreutils as the default. That release also made sudo-rs the default privilege tool, replacing a command that had been in place for decades. 26.04 was the release where the plan did slow down quite a bit, as Canonical kept cp, mv, and rm on their GNU versions due to a bunch of TOCTOU issues that were blocking the full implementation. These were caught during an audit, when Canonical commissioned Zellic for two rounds between December 2025 and March 2026, focusing on the most security-sensitive utilities first. Across both rounds, Zellic raised