Factsheet
Developer Community
Written in Various languages (notably C and assembly language)
OS family Unix-like
Developer Community
Written in Various languages (notably C and assembly language)
OS family Unix-like
Wikipedia
en.wikipedia.org › wiki › GNU
GNU - Wikipedia
2 days ago - With the April 30, 2015 release of the Debian GNU/Hurd 2015 distro, GNU now provides all required components to assemble an operating system that users can install and use on a computer. However, the Hurd kernel is not yet considered production-ready but rather a base for further development ...
Reddit
reddit.com › r/linux4noobs › what is gnu? what does "gnu" stand for? where does it fit in linux history? why do some people call linux "gnu/linux"?
r/linux4noobs on Reddit: What is GNU? what does "GNU" stand for? where does it fit in Linux history? why do some people call Linux "gnu/linux"?
December 5, 2020 -
hey guys, i wanted to ask what is GNU is, i go onto https://www.gnu.org/gnu/gnu-history.html and it calls itself an "operating system" but when i go on https://en.wikipedia.org/wiki/GNU it calls gnu a "collection of free software" so i don't get it, which one is it?
is gnu an organization? or non profit? what does "GNU" stand for? is it an acronym?
also why do people call linux gnu/linux instead of just linux? why the "gnu/linux" what does gnu have to do with linux? thanks
Top answer 1 of 10
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GNU is an operating system that implements POSIX (mostly). GNU can be built with different kernels. HURD is one, but there was also Debian GNU/kFreeBSD for some time. You can also run GNU on Windows with WSL (though WSL 2 runs GNU on Linux in a VM). Similarly, Linux can be used with different user-land software. Many Linux operating systems are not POSIX. For example, Android is a popular Linux operating system. There are also POSIX operating systems that use Linux and a user-lands other than GNU, such as Alpine. Because this two things can be used together, but can also be used with different components, it's useful to refer to that combination specifically in many contexts. Fedora, Debian, arch, and gentoo are all GNU/Linux operating systems. Alpine, Android, and dd-wrt are all Linux operating systems. Generally, when I'm talking about a feature of the kernel, I'll refer to Linux systems, because the feature will probably be present in all of them. But of I'm talking about Unix-like systems, I'll usually refer to GNU/Linux to differentiate it from other Linux systems.
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GNU stands for "GNU is not unix" it is an operating system developed by Richard Stallman in 1984, it waited a couple od years to be published, until 1991 when Linus Torwalds made Linux kernel, and they merged it together to make a stable Os, since Linux is just a kernel, and gnu is operating system, Richard Stallman argues that is only fair to be called, gnu/Linux, look up for. Free software foundation, wich is orgsnisation made by Richard Stallman, and you will find more answers
Videos
TechTarget
techtarget.com › whatis › definition › GNU-project
What is GNU project? | Definition from TechTarget
The GNU OS was designed as a complete OS, i.e., an OS with compilers, text editors, text formatters and other components. This Unix-like OS consists of programs released by the GNU Project known as "packages," as well as third-party free software, libraries and developer tools. GNU is typically used with the Linux kernel developed by Linus Torvalds.
GNU
gnu.org › home.en.html
The GNU Operating System and the Free Software Movement
We want to take a moment to thank ... strong and steadfast in our continuing work. ... GNU is the only operating system developed specifically to give its users freedom....
GNU
gnu.org › gnu › gnu-history.en.html
Overview of the GNU System - GNU Project - Free Software Foundation
We decided to make the operating system compatible with Unix because the overall design was already proven and portable, and because compatibility makes it easy for Unix users to switch from Unix to GNU. A Unix-like operating system includes a kernel, compilers, editors, text formatters, mail software, graphical interfaces, libraries, games and many other things. Thus, writing a whole operating system is a very large job.
Incredibuild
incredibuild.com › home › glossary › gnu (os)
What Is GNU Operating System? Definition - Incredibuild
November 21, 2024 - GNU is a powerful and versatile open-source operating system that is freely available to anyone. It forms a significant part of the free software community, providing users with the freedom to run, modify, and share software.
xTom
xtom.com › home › blog › what is gnu open source software and linux
xTom - What Is GNU and How Does It Relate to Open-Source Software and Linux?
July 24, 2025 - Linux is just the kernel—the core component that manages hardware. GNU provides the userland tools, compilers, shells, and utilities that make the system usable. Together, they form a complete operating system.
Baeldung
baeldung.com › home › administration › what is gnu?
What Is GNU? | Baeldung on Linux
March 19, 2025 - In this article, we’ll dive deeper into the motivations and goals behind the GNU project and how it has impacted the Linux and open-source ecosystem. Additionally, we will also cover the GNU licenses that are widely used in open-source software. GNU is a recursive acronym for “GNU’s not UNIX!”. It’s a huge collection of free software.
TechTarget
techtarget.com › searchdatacenter › definition › GNU-Linux
What is GNU/Linux? - Definition from SearchDataCenter
GNU/Linux is a Unix-like operating system made up of different OS components and services that create the Linux OS. GNU stands for GNU's not Unix, which makes the term a recursive acronym, or an acronym in which one of the letters stands for ...
Debian
debian.org › releases › forky › amd64 › ch01s02.en.html
1.2. What is GNU/Linux?
An operating system consists of various fundamental programs which are needed by your computer so that it can communicate and receive instructions from users; read and write data to hard disks, tapes, and printers; control the use of memory; and run other software. The most important part of an operating system is the kernel. In a GNU/Linux system, Linux is the kernel component. The rest of the system consists of other programs, many of which were written by or for the GNU Project.
Wikipedia
en.wikipedia.org › wiki › GNU_Project
GNU Project - Wikipedia
January 20, 2026 - The GNU Project uses software that is free for users to copy, edit, and distribute. It is free in the sense that users can change the software to fit individual needs. The way programmers obtain the free software depends on where they get it.
FSFE
fsfe.org › freesoftware › gnuproject.en.html
What is the GNU-Project? - FSFE
The GNU project was launched in September 1983 by Richard M. Stallman to create a complete operating system which is Free Software. Software development work started the following January. Today we have several Free Software operating systems which respect the users' freedom by giving everybody the right to use, study, share, and improve the software for any purpose.
Reddit
reddit.com › r/linuxquestions › eli5: what exactly gnu/linux and what's the difference between them? what is gnu?
r/linuxquestions on Reddit: ELI5: What exactly GNU/Linux and what's the difference between them? What is GNU?
June 10, 2024 -
I've seen the copypasta God knows how many times but it all goes in one ear (eye?) and out the other. What exactly is GNU? If GNU is the OS why does everyone refer to it as Linux instead of GNU? What exactly is Linux? If Linux doesn't need GNU, do all the common distros use GNU? Or are there some that don't use GNU at all?
And how can this GNU/Linux phrase be compared to MacOS or Windows? Do they have equivalents?
I looked online but all the answers I saw were just gibberish to me (That's why I have the ELI5 prefix)
Top answer 1 of 28
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GNU was an attempt to write a complete UNIX-like operating system from the ground-up, led by Richard Stallman. The one part that never got finished by GNU was the kernel. The kernel deals with things like device drivers, and essentially provides all the abstractions that sit between hardware and software. GNU was trying to write a kernel called Hurd, which despite many attempts to resurrect it has never really taken off. What ended up filling the role of Hurd was the kernel called Linux. But you'll find most Linux distros ship with all the other parts of GNU that were far more successful than Hurd. There's the GNU coreutils and the GNU binutils and the GNU C compiler with the GNU libc. GNU is everywhere. Although there are many non-GNU alternatives to most GNU software nowadays. These GNU utilities provide a way for a user to actually interact with the operating system. The way I think about it is that Linux is what provides the layer between hardware and software, and the GNU part is what provides the layer between software and the user.
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Linux is technically just the kernel. The "core" of an operating system. In simple terms HBU GNU is all the stuff that generally gets placed on top of the kernel to get the full operating system experience.
Unacademy
unacademy.com › cbse class 11 › full forms › gnu full form
GNU's Not Unix: A Guide to the GNU Operating System
June 23, 2024 - The GNU full form is GNU’s, not Unix, referring to GNU’s project to create a free operating system. GNU is pronounced gee-noo, with a hard G as in gun. Ans. The GNU Project was launched in 1984 to develop a complete Unix-like operating system which is free software—free to use, share, ...
Stanford CS
cs.stanford.edu › people › eroberts › courses › cs181 › projects › 2000-01 › open-source › gnu.htm
GNU Project
In 1983, the GNU Project was started by Richard Stallman in order to re-evoke the once prevalent cooperative spirit among computers users. It was Stallman's goal to make cooperation possible once again by removing restrictions set up by proprietary software vendors · In 1971, when Stallman ...
GNU
gnu.org › gnu › about-gnu.en.html
GNU in a Nutshell - GNU Project - Free Software Foundation
GNU [1] was launched by Richard ... rms remains the Chief GNUisance today. The primary and continuing goal of GNU is to offer a Unix-compatible system that would be 100% free software....
phoenixNAP
phoenixnap.com › glossary › g › what is gnu (gnu's not unix)?
What Is GNU (Gnu's Not Unix)?
September 20, 2024 - GNU offers a flexible, robust, and free software foundation that can be used to create complete operating systems. Here is a breakdown of how it works: GNU components. The GNU system includes all necessary software components for a complete ...
Urban Dictionary
urbandictionary.com › define.php
Urban Dictionary: GNU
March 13, 2018 - CORRECT PRONUNCIATION:guh-NEW The GNU Project was launched in 1984 to develop a complete Unix-like operating system which is free software: the GNU system. (GNU is a recursive acronym for "GNU's Not Unix") Variants of the GNU operating system, ...
Quora
quora.com › What-is-GNU-GNU-not-Linux-in-laymans-terms
What is GNU (GNU, not Linux) in layman's terms? - Quora
Answer (1 of 2): GNU is a long story, which I’ve always looked at as a conspiracy to keep us from having nice things cheaply. The term refers to both a restrictive copyright license and the code that uses it. Before GNU, people who wanted to write free software would generally allow it to be copi...