JCUKEN (ЙЦУКЕН, also known as YCUKEN, YTsUKEN and JTSUKEN) is the main Cyrillic keyboard layout for the Russian language in computers and typewriters. Earlier in Russia JIUKEN (ЙІУКЕН) layout was the main layout, but it was replaced by JCUKEN when the Russian alphabet reform of 1917 removed the letters Ѣ, І, Ѵ, and Ѳ. The letter Ъ had decreased in usage significantly after the reform.




Used on typewriters before personal computers. It is available in Microsoft Windows as a legacy layout.


The numbers 1 and 3 does not appear on the layout and was replaced with the decimal I and the Ze. Furthermore, the letters Ц and Э are located side-by-side. Between the Che and the Es is the yat.

Other languages

JCUKEN is the basis for many other Cyrillic layouts. For the current moment Microsoft Windows supports the following layouts: Azerbaijani (Cyrillic), Bashkir, Belarusian, Kazakh, Kyrgyz, Mongolian, Tajik, Ukrainian, Uzbek (Cyrillic), Yakut (Sakha).[1] The Belarusian, Ukrainian and Mongolian layouts have been available since Windows 95; Azeri, Kazakh, Kyrgyz, Tatar, Uzbek since Windows XP; Bashkir and Tajik since Windows Vista; Yakut since Windows 7.

Other operating systems such as Linux may have their own additional custom layouts for the same or other languages.


The short U is located in place of the shcha. Furthermore, it is the only JCUKEN keyboard that lacks a key for И, as it is the only language in the Cyrillic script that does not contain the letter И itself. The decimal I replaces it.


The decimal I substitutes the yeru and the yest replaces the E (Э э). The letters Yi and Ghe with upturn is also used.


The Russian letters which are rarely used in Tatar are typed with AltGr (right Alt). This layout is also suitable for Kalmyk and Turkmen (Cyrillic) as their alphabets are practically identical to Tatar. It is called as YÖUKEN.




Based on the basic Russian one. The additional Kyrgyz letters are typed with AltGr (right Alt).



It is a modified version of the standard JCUKEN called the YQUKEN, in which the Ka with descender substitutes the C. The yeru is also substituted by the letter Che with descender. Also, the soft sign is replaced by the I with macron. Furthermore, the kha with descender, the U with macron, and the ghayn is used.


The short U substitutes the shcha and the ka with descender substitutes the yery. Moreover, the letter ghayn substitutes the minus sign and the underscore, withe the kha with descender substitutes the plus sign and equal sign.


This layout is a modified version called the JÜUKEN, and includes the Che with vertical stroke, shha, Ka wth vertical stroke, and the Je. It is the only JCUKEN without the usual Й, as the language lacks the glyph.


The Mongolian keyboard uses a modified version of JCUKEN, called FCUZHEN (ФЦУЖЭН), where letters specific to Russian are replaced by letters that see more use in Mongolian.

Other Cyrillic Layouts


The Serbian keyboard uses a modified version of JCUKEN, called LJNJETZ (ЉЊЕРТЗ), where letters of Serbian language was used instead of Russian letters. It lacks the yers, Э, and Ё. It is based on the QWERTZ keyboard.


Also utilizing a modification of the Serb-style LJNJERTZ (LJNJERTDZ), a single "dead" key is used for input for Macedonian letters «Ѓ ѓ» and «Ќ ќ», as well as the typewritten apostophe (in combination with the «spacebar»): «м. к. á», «К к» → «Ќ ќ», «м. к. á», «space» → «'».


Standard Bulgarian keyboard from 2006 (YUEIShShch)

Phonetic Cyrillic keyboard layout for Bulgarian in 2006 (Also known as "ЧШЕРТЪ" ChShert).


This was the predominant layout on the Soviet-made microcomputers during the 1980s.

See also


  1. "Windows Keyboard Layouts". Microsoft. 2017.
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