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Linux is used extensively on servers in businesses, and has been for a long time. Linux is also used in some corporate environments as the desktop platform for their employees, with commercially available solutions including Red Hat Enterprise Linux, SUSE Linux Enterprise Desktop, and Ubuntu.
The IBM Roadrunner, the world's third fastest supercomputer operated by the US National Nuclear Security Administration, uses Red Hat Enterprise Linux and Fedora as its operating systems.
- Free I.T. Athens, founded in 2005 in Athens, Georgia, United States, is a non-profit organization dedicated to rescuing computers from landfills, recycling them or refurbishing them using Linux exclusively.[101]
- Burlington Coat Factory has used Linux exclusively since 1999.[102]
- Ernie Ball, known for its famous Super Slinky guitar strings, has used Linux as its desktop operating system since 2000.[103]
- Novell is undergoing a migration from Windows to Linux. Of its 5500 employees, 50% were successfully migrated as of April 2006. This was expected to rise to 80% by November.[104]
- Wotif, the Australian hotel booking website, migrated from Windows to Linux servers to keep up with the growth of its business.[105]
- Union Bank of California announced in January 2007 that it would standardize its IT infrastructure on Red Hat Enterprise Linux in order to lower costs.[106]
- Peugeot, the European car maker, announced plans to deploy up to 20,000 copies of Novell's Linux desktop, SUSE Linux Enterprise Desktop, and 2,500 copies of SUSE Linux Enterprise Server, in 2007.[107]
- Mindbridge, a software company, announced in September 2007 that it had migrated a large number of Windows servers onto a smaller number of Linux servers and a few BSD servers. It claims to have saved "bunches of money."[108]
- Virgin America, the low cost U.S. airline, uses Linux to power its in-flight entertainment system, RED.[109]
- Amazon.com, the US based mail-order retailer, uses Linux "in nearly every corner of its business".[110]
- Google uses a version of Ubuntu internally nicknamed Goobuntu.[111][112][113][114]
- IBM does extensive development work for Linux and also uses it on desktops and servers internally.[115] The company also created a TV advertising campaign: IBM supports Linux 100%.[116]
- Wikimedia Foundation moved to running its Wikipedia servers on Ubuntu in late 2008, after having previously used a combination of Red Hat and Fedora.[117]
- DreamWorks Animation adopted the use of Linux since 2001, and uses more than 1,000 Linux desktops and more than 3,000 Linux servers.[118][119][120]
- The Chicago Mercantile Exchange employs an all-Linux computing infrastructure and has used it to process over a quadrillion dollars worth of financial transactions[121][122]
- The Chi-X pan-European equity exchange runs its MarketPrizm trading platform software on Linux.[122]
- The London Stock Exchange uses the Linux-based MillenniumIT Millennium Exchange software for its trading platform and predicts that moving to Linux from Windows will give it an annual cost savings of at least £10 million ($14.7 million) from 2011–12.[123][124]
- The New York Stock Exchange uses Linux to run its trading applications.[122]
- Mobexpert Group, the leading furniture manufacturer and retailer in Romania, extensively uses Linux, LibreOffice and other Free Software in its data communications and processing systems, including some desktops.[125]
- American electronic music composer Kim Cascone migrated from Apple Mac to Ubuntu for his music studio, performance use and administration in 2009.[126]
- Laughing Boy Records under the direction of owner Geoff Beasley switched from doing audio recording on Windows to Linux in 2004 as a result of Windows spyware problems.[127]
- Nav Canada's new Internet Flight Planning System for roll-out in 2011, is written in Python and runs on Red Hat Linux.[128]
- Electrolux Frigidaire Infinity i-kitchen is a "smart appliance" refrigerator that uses a Linux operating system, running on an embedded 400 MHz Freescale i.MX25 processor with 128 MB of RAM and a 480×800 touch panel.[129]
- DukeJets LLC (USA) and Duke Jets Ltd. (Canada), air charter brokerage companies, switched from Windows to Ubuntu Linux in 2012.[130]
- Banco do Brasil, the biggest bank in Brazil, has moved nearly all desktops to Linux, except some corporate ones and a few that are need to operate some specific hardware. They began migration of their servers to Linux in 2002. Branch servers and ATMs all run Linux. The distribution of choice is OpenSuse 11.2.[131][132]
- KLM, the Royal Aviation Company of the Netherlands, uses Linux on the OSS-based version of its KLM WebFarm.[133]
- Ocado, the online supermarket, uses Linux in its data centres.[134]
- Kazi Farms Group, a large poultry and food company in Bangladesh, migrated 650 computers to Linux.[135]
- Zando Computer, an IT consulting company located in Bucharest, Romania uses Linux for its business needs (server and desktop). The company recommends to its clients and actively deploys Linux, LibreOffice (OpenDocument format solutions) and other categories of Free Software.[136]
- Nvidia, at the 2015 Consumer Electronics Show, company CEO Jen-Hsun Huang made his extensive presentations using Ubuntu Linux.[137]
The IBM Roadrunner, the world's third fastest supercomputer operated by the US National Nuclear Security Administration, uses Red Hat Enterprise Linux and Fedora as its operating systems.
- NASA decided to switch the International Space Station laptops running Windows XP to Debian 6.[138][139]
- Both CERN and Fermilab use Scientific Linux in all their work; this includes running the Large Hadron Collider or the Dark Energy Camera[140] or the 20,000 internal servers of CERN[141]
- WLCG is composed of 576 sites with more than 390,000 processors and 150 Petabytes of Storage and uses Linux on all its nodes.[142]
- Canada's largest super computer, the IBM iDataPlex cluster computer at the University of Toronto uses Linux as its operating system.[143][144]
- The Internet Archive uses hundreds of x86 servers to catalogue the Internet, all of them running Linux.[145]
- ASV Roboat autonomous robotic sailboat runs on Linux[146][147]
- Tianhe-I, the worlds fastest super computer as of October 2010, located at the National Centre for Supercomputing in Tianjin, China runs Linux.[148][149]
- The University of Portsmouth in the United Kingdom has deployed a "cost effective" high performance computer that will be used to analyse data from telescopes around the world, run simulations and test the current theories about the universe. Its operating system is Scientific Linux. Dr David Bacon of the University of Portsmouth said: "Our Institute of Cosmology is in a great position to use this high performance computer to make real breakthroughs in understanding the universe, both by analysing the very latest astronomical observations, and by calculating the consequences of mind-boggling new theories...By selecting Dell’s industry-standard hardware and open-source software we’re able to free up budget that would have normally been spent on costly licences and reinvest it."[150]
- In September 2011, ten autonomous unmanned air vehicles were flown in flocking flight by the École Polytechnique Fédérale de Lausanne’s Laboratory of Intelligence Systems in Lausanne, Switzerland. The UAVs each sense each other and control their own flight in relation to each other, each has an independent processor running Linux to accomplish this.[151]