this post was submitted on 28 Jul 2025
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Linux

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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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This article has been recently posted on Hackernews. It clarifies the misconceptions about GPLv2 and GPLv3 regarding the installation of user-modified software on devices running copylefted firmware.

TLDR: If you purchase a device running GPLv2 software (eg. Linux), you have the right to run modified version of the software on said device. The GPLv3 additionally requires that proprietary software running on said device does not intentionally break itself when you change the GPLv3 software.

GPL violators try to argue that they may prevent users from installing modified version of GPLv2 software, thinking that only the GPLv3 protects against that, but that is not the case. The 3rd version adds clauses regarding proprietary software shipped alongside the GPL software. But the Free Software is already protected by the 2nd version!

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