Debian

Rare card · No. 27963

Debian () is a free, general-purpose operating system developed by the Debian Project, a worldwide volunteer association 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 (a Debian derivative), 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...

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