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Kylin (operating system)

Kylin (operating system) is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Kylin (operating system) rather than just read about it. In short: Kylin (Chinese: 麒麟; pinyin: Qílín; Wade–Giles: Ch'i²-lin²) is an operating system developed by academics at the National University of Defense Technology in the People's Republic of China since 2001. It is named after the mythical beast qilin.

Kylin (operating system) — main illustration
Kylin (operating system) — illustration

Key takeaways

  • Kylin (operating system) belongs to computer science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Kylin (operating system) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Kylin (operating system) from memory before moving on to harder problems.

Reference excerpt

Kylin (Chinese: 麒麟; pinyin: Qílín; Wade–Giles: Ch'i²-lin²) is an operating system developed by academics at the National University of Defense Technology in the People's Republic of China since 2001. It is named after the mythical beast qilin. The first versions were based on FreeBSD and were intended for use by the Chinese military and other government organizations. With version 3.0, Kylin became Linux-based, and there is a version called NeoKylin which was announced in 2010. By 2019, the NeoKylin variant was compatible with more than 4,000 software and hardware products, and it ships pre-installed on most computers sold in China. Together, Kylin and Neokylin have 90% market share of the government sector. A separate project using Ubuntu as the base Linux operating system was announced in 2013. The first version of Ubuntu Kylin was released in April 2013. In August 2020, v10 of Kylin OS was launched. It is compatible with 10,000 hardware and software products, and it "supports Google's Android ecosystem". In July 2022, an open-source version of Kylin titled openKylin was released.

FreeBSD version Development of Kylin began in 2001, when the National University of Defense Technology was assigned the mission of developing an operating system under the 863 Program intended to make China independent of foreign technology. The aim was "to support several kinds of server platforms, to achieve high performance, high availability and high security, as well as conforming to international standards of Unix and Linux operating systems". It was created using a hierarchy model, including "the basic kernel layer which is similar to Mach, the system service layer which is similar to BSD and the desktop environment which is similar to Windows". It was designed to comply with the UNIX standards and to be compatible with Linux applications. In February 2006, "China Military Online" (a website sponsored by PLA Daily of the Chinese People's Liberation Army) reported the "successful development of the Kylin server operating system", which it said was "the first 64-bit operating system with high security level (B2 class)" and "also the first operating system without Linux kernel that has obtained Linux global standard authentification [sic] by the international Free Standards Group". In April 2006, it was said that the Kylin operating system was largely based on FreeBSD 5.3. An anonymous Chinese student in Australia, who used the pseudonym "Dancefire", carried out a kernel similarity analysis and showed that the similarities between the two operating systems reached 99.45 percent. One of Kylin's developers confirmed that Kylin was based on FreeBSD during a speech at the international conference EuroBSDCon 2006. In 2009, a report presented to the US-China Economic and Security Review Commission stated that the purpose of Kylin is to make Chinese computers impenetrable to competing countries in the cyberwarfare arena. The Washington Times reported that:

China has developed more secure operating software for its tens of millions of computers and is already installing it on government and military systems, hoping to make Beijing's networks impenetrable to U.S. military and intelligence agencies. The deployment of Kylin was said to have "hardened key Chinese servers".

Kylin Linux (NeoKylin) With the advent of version 3.0, Kylin has used the Linux kernel. In December 2010, it was announced that China Standard Software and the National University of Defense Technology had signed a strategic partnership to launch a version called NeoKylin. China Standard Software is the maker of the "NeoShine Linux" desktop series. NeoKylin is intended for use by government offices, national defense, energy and other sectors of the Chinese economy. In 2014, Bloomberg News reported that the northeastern city of Siping had migrated its computers from Microsoft Windows to NeoKylin, as part of a government effort to shift computer technology to Chinese suppliers. In September 2015, US computer maker Dell reported that 42% of personal computers they sold in China were now running NeoKylin. The operating system of the Tianhe-1 supercomputer is 64-bit Kylin Linux, which is oriented to high-performance parallel computing optimization, and supports power management and high-performance virtual computing. The newer Tianhe-2 also uses Kylin Linux.

Ubuntu Kylin

In 2013, Canonical reached an agreement with the Ministry of Industry and Information Technology of the People's Republic of China to release an Ubuntu-based Linux OS with features targeted at the Chinese market. Ubuntu Kylin has been described as "a loose continuation of China's Kylin OS". It is intended for desktop and laptop computers. The first official release, Ubuntu Kylin 13.04, was on 25 April 2013.

See also Astra Linux – a similar project by the Russian government Unity Operating System Canaima (operating system) – a similar project by the Venezuelan computer manufacturer VIT, C.A. and Chinese information technology company Inspur GendBuntu – a similar project used by Gendarmerie in France LiMux – a similar project of the city council of Munich Nova (operating system) – a similar project by the Cuban government Red Star OS – a similar project by the North Korean government

References

External links Kylin Official Website (Chinese) What is Kylin, Project Mission Statement, September 2004, at the Internet Archive (English) Official Kylin website, April 2006, on the Internet Archive (Chinese) NeoKylin (Chinese) NeoKylin Operating System Archived 12 June 2013 at the Wayback Machine at China Aid Software Service Center (English) openKylin Official Website

Illustrations

Kylin (operating system) illustration

Worked examples

Example 1 — a first encounter with Kylin (operating system)

Start with the simplest possible case. Write down what Kylin (operating system) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Kylin (operating system) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Kylin (operating system) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Kylin (operating system)

In research
Kylin (operating system) appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Kylin (operating system) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Kylin (operating system) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Chinese-language Linux distributions, Computing platforms, FreeBSD, so understanding it makes those chapters shorter.
In everyday life
Look for Kylin (operating system) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Kylin (operating system) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Kylin (operating system) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Kylin (operating system) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kylin (operating system) in simple terms?

Kylin (Chinese: 麒麟; pinyin: Qílín; Wade–Giles: Ch'i²-lin²) is an operating system developed by academics at the National University of Defense Technology in the People's Republic of China since 2001. It is named after the mythical beast qilin.

Why does Kylin (operating system) matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Kylin (operating system)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Kylin (operating system).

Tags

  • Chinese-language Linux distributions
  • Computing platforms
  • FreeBSD
  • Linux distributions
  • State-sponsored Linux distributions
  • Supercomputing in China
  • Unix variants

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