Debian () is a computer operating system composed of software packages released as free and open source software primarily under the GNU General Public License along with other free software licenses.

Debian GNU / Linux, which includes the GNU OS tools and Linux kernel, is a popular and influential Linux distribution.

Debian GNU / Hurd is the Debian project's distribution of the GNU operating system, using the GNU Hurd microkernel.

Over 70 % of the software packaged for Debian GNU / Linux has been ported to the GNU Hurd.

The overwhelming majority of Debian users run Debian GNU / Linux, rather than Debian GNU / Hurd.

The Debian GNU / Hurd developers are hoping to be able to release it for the next major release of Debian, " wheezy ", which is planned to be sometime around 2013.

Debian GNU / Hurd is distributed on a live CD.

The current version of Debian GNU / Hurd is L1 as of 2011.

* Debian GNU / Hurd home page

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The Debian project, among others, have worked on the Hurd project to produce binary distributions of Hurd-based GNU operating systems for IBM PC compatible systems.

The cost of developing all the packages included in Debian 5. 0 lenny ( 323 million lines of code ), using the COCOMO model, has been estimated to be about US $ 8 billion.

Initially it is impossible to find any mention of specific bugs on Microsoft's website, but later he notices that Microsoft has instated a system similar to the Debian one, though sugar-coated so as to not ruin the vision demanded by its customers.

In the same way, the Debian project has its own criteria, the Debian Free Software Guidelines, on which the Open-Source Definition is based.

KStars has been packaged by many Linux / BSD distributions, including Red Hat Linux, openSUSE, Mandriva Linux, and Debian GNU / Linux.

This work has inspired one person to measure other FLOSS systems, the Debian distribution.

Ash has since been replaced on both Debian and Ubuntu.

The name dpkg was originally the short for " Debian package ", but the meaning of that phrase has evolved significantly, as dpkg the software is orthogonal to the deb package format as well as the Debian Policy which defines how Debian packages behave.

Since then, the maintainer of Debian and Ubuntu packages has switched them to the fork.

The Open Source Initiative ( OSI ) has certified it as an open-source license, but the Debian project judged version 1. 1 to be incompatible with the DFSG.

The Debian project has addressed this issue in its voting mechanisms with the idea of per-option quorum.

The Debian GNU / Linux package tool apt-get has an Easter egg involving an ASCII cow when variants on are typed into the shell.

The LSB has been criticized for not taking input from projects, most notably the Debian project, outside the sphere of its member companies.

Debian has included optional support for the LSB early on, at version 1. 1 in " woody " and 2. 0 in " sarge ", and later 3. 1 in " etch " and 3. 2 in " lenny ".

PF is developed on OpenBSD, but has been ported to many other operating systems including Mac OS 10. 7 ‘ Lion ’, FreeBSD, NetBSD, DragonFly BSD and Debian GNU / kFreeBSD.

The Debian distribution of Linux has a linuxdoc-tools package.

It also has the following features for Debian and Ubuntu only:

NetZero has versions of its proprietary dial-up software for computers running Mac OS 9 or Mac OS X. NetZero previously offered a Linux version of the NetZero software advertised as being for Linspire, however the software could be installed on any Debian-based i386 or x86-64 Linux distribution ; NetZero can also be installed on any RPM-based Linux distribution as long as Alien is used to convert the NetZero Debian package into an RPM package.

It has been available at repositories for Debian and Ubuntu, and has been ported to FreeBSD.

The early versions of the Linuxcare BBC were collections of packages that had been precompiled for other distributions ( such as Debian and Red Hat Linux from which subsets of files were copied into the directory from which the BBC was " mastered " ( the ISO 9660 CD images were built ).

For example, the dependency relations between Debian GNU / Linux packages have been represented by the gnowledge portal.

Bdale has been a Debian developer since the earliest days of the project in the mid-1990s.

Various Linux and BSD distributions have also been ported to the FM Towns system, including Debian and Gentoo.

Traditionally it has been used to call attention to a problem reported about a Debian package, early in its lifecycle.

It has also been used in Debian bug reports, to alert a developer to the presence of a problem.

It has been approved as a free software licence by both Free Software Foundation and Open Source Initiative ( OSI ), but it is incompatible with the GPL and the Debian Free Software Guidelines.

The development and maintenance of this font has been taken over by David Starner from the Debian project.

Power Architecture is one of the many architectures the Linux kernel has been compiled to run on allowing computers such as PowerPC-based Power Macintosh computers originally designed to run Mac OS to use GNU / Linux distributions such as Debian.

There has been consistent updating of language related packages into other distributions like Mandriva, SuSE, and Debian too through this group of volunteers.

He continues to work on quality management in Debian, and has also been working on the ARM and MIPS ports.

Maemo is mostly based on open source code, and has been developed by Maemo Devices within Nokia in collaboration with many open source projects such as the Linux kernel, Debian, and GNOME.