Debian (/ˈdɛbiən/), also known as DebianGNU/Linux, is a free and open source Linux distribution, developed by the Debian Project, which was established
Debian and distributions based on it use the .deb package format and the dpkg package manager and its frontends (such as apt or synaptic). Ubuntu (named
version of Debian is Debian version 12, codename "Bookworm". The next up and coming release of Debian is Debian 13, codename "Trixie". Debian always has
in Ubuntu and the Ubuntu maintainers decided to make all the scripts comply with the POSIX standard. The changes were later upstreamed to Debian, which
and the use of deb packages. DebianGNU/kFreeBSD, an OS that uses a GNU based userland and the FreeBSD kernel. DebianGNU/Hurd. Some jailbroken iOS devices