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Ubuntu 25.10's Move To Rust Coreutils Is Causing Major Breakage For Some Executables
(www.phoronix.com)
this post was submitted on 26 Sep 2025
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Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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GNU is really its own thing and not reallyPOSIX anymore. So GNU is right even if they are wrong.
This is not me advocating for GNU. I use BSD utils myself.
On this issue, your were right in a way. My understanding is that the uutils version of dd was respecting the fullblock parameter, causing problems on slow pipes. GNU ignore this and was doing partial writes. Uutils has been modified to match GNU and is “working” now. At least, a tested patch has been submitted.
If you pipe, dd is the wrong tool anyway. Replace with cp or cat. dd is a fine scalpel but a bad shovel.
Useless use of dd
😂