Poseidon Linux is a Linux distribution, and a complete operating system. It was originally based on Kurumin, and is now based on Ubuntu. It is maintained by developers located at the Rio Grande Federal University^[1] in Rio Grande do Sul, Brazil, and the MARUM institute in Germany.

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Quick Facts Developer, OS family ...

Poseidon Linux

Poseidon Linux 4 showing menu
Developer	Poseidon Linux team
OS family	Linux (Unix-like)
Working state	Dormant
Source model	Open source
Latest release	9.0 / Sept 2017
Kernel type	Monolithic kernel
Default user interface	GNOME
License	Various
Official website	sites.google.com/site/poseidonlinux/Home

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The name Poseidon was chosen after the god of the sea in Greek mythology. This name was chosen because many oceanologists have been involved in the development of the system.

The 3.x family was pre-presented in 2008 at the 9th Free Software International Forum (FISL9.0). It was well received by the Linux community, including Jon "maddog" Hall of Linux International.

Poseidon 3.2 was officially released in May 2010 at the IV Brazilian Oceanography Congress, in Rio Grande, Brazil.

For version 4.0, the project changed the base distribution from Knoppix to Ubuntu. This was due to the wide acceptance of Poseidon outside the Portuguese-speaking scientific community, and because of the shut-down of the Kurumin project.^[2] The Ubuntu-based releases allow for installation in Portuguese, Spanish, English, German, French, Greek, and other languages.

The development team stated that after Poseidon 5.0, the distribution would focus on bathymetry, seafloor mapping, and GIS software.^[3] Many of the bundled CAD and scientific programs were removed, but may be separately available for download from compatible repositories.

The current version of Poseidon is 9.0, and is based on 32-bit and 64-bit Ubuntu 16.04.3 LTS.^[4]

During its release history, the distribution has contained free software programs used in science and engineering, such as the Fortran programming language, Kile and Lyx for scientific writing, numerical modelling, 2D/3D/4D visualization, statistics, CAD, genetics, bio-informatics, and several tools that support GIS and mapping. Additionally, LibreOffice, web browsers, and multimedia packages are included.^[5]