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Linus Torvalds - that commit is not mine
(lore.kernel.org)
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this post was submitted on 04 Jun 2025
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
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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I'll say here that one of the less discussed differences between git and Mercurial is that Mercurial does not allow commited history to be changed, and git does. Git users call this a "feature," and it leads to situations like this which are utterly impossible in Mercurial.
Git allows rewriting history by design. The kernel team uses it liberally. It is debatable whether this is a good thing, but it's one reason I stick with Mercurial.
Unless commits are signed, you can always rewrite history. No matter the tool. Extreme example demonstrating that this is possible is the fact that I can change my machine’s time, change my user name and reply the tool’s commands to construct whatever history I want.
If you have access to the actual files themselves you can even edit them with a text, binary, or hex editor depending on the format.