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Debian
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Debian is a free and open-source operating system (OS) developed by the Debian Project. Known for its stability and security, Debian provides a vast collection of software packages maintained by thousands of volunteers worldwide. As the basis for several other popular Linux distributions, such as Ubuntu and Raspbian, it supports multiple hardware architectures and comes with over 59,000 software packages. Debian is renowned for its strict adherence to the free software philosophies, detailed in its Debian Social Contract, which prioritizes the freedom and open-source nature of the software it distributes.
- Snippet from Wikipedia: Debian
Debian () is a free, general-purpose operating system developed by the Debian Project, a worldwide association of volunteers founded by Ian Murdock on August 16, 1993. It is the second-oldest Linux distribution still being developed (only Slackware is older) and forms the base of many others.
It is deployed across servers, personal computers, and embedded devices. Among Linux distributions, it ranks second only to Ubuntu (which is itself derived from Debian), with 16% of the overall market. According to the 2025 Stack Overflow Developer Survey, 11.4% of developers use it as their primary personal operating system and 10.4% professionally. Its emphasis on stability and long-term support over frequent package updates has made it prevalent in server and embedded deployments.
Development is led by the Project Leader and guided by two foundational documents: the Debian Social Contract, a summary of the project's commitments that includes the Debian Free Software Guidelines (DFSG), and the Debian Constitution, which describes the organizational structure. The project publishes three concurrent development branches: stable, testing, and unstable, which correspond to different levels of software maturity. The current stable release, "Trixie", released on May 16, 2026, includes tens of thousands of packages maintained by more than a thousand active contributors.
Since 1997, the project has operated independently through Software in the Public Interest (SPI), a non-profit corporation founded by project members to hold its assets and trademarks. It previously received support from the Free Software Foundation (FSF) between 1994 and 1995, a sponsorship that ended due to disagreements.
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