this post was submitted on 16 Nov 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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It's not so much about forcing to contribute, but rather keeping companies from selling commercial forks/having checks against profiting from work that happens to be freely available.
You can profit from GPL software. The only restriction is if you distribute it you also need to distribute modifications under the GPL.
GPL also does nothing for software as a service since it is never distributed.
GPL even explicitly allows selling GPL software. This is effectively what redhat do. They just need to distribute the source to those that they sell it to.
Prograns like that are usually distributed under AGPL which protects server side software
And RHEL bit-for-bit compatible gratis alternatives exist, which is because of the GPL
The GPL doesn't place any restrictions on selling or profiting from GPL licensed works. It only requires that anyone distributing the work provides the recipients with the same rights under the GPL, ie. the right to view, modify and redistribute the source code.
This means that a company cannot take a GPL licensed work and turn it into a proprietary product.
I’m thinking of the Apache project, and all the important projects it covers that are under an Apache license and I’m not sure where the sudden worry comes from.
HTTPD and Nginx have had very permissive licensing for years and seem to do fine.