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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.



Microsoft Windows ЙЦУКЕН keyboard layout (since Windows 3.1)


Used on typewriters before personal computers. Available in Microsoft Windows as a legacy layout.

Keyboard layout ru(typewriter).svg


ЙІУКЕН keyboard layout

Other languages[edit]

JCUKEN is the basis for many other Cyrillic layouts. For the current moment Microsoft Windows supports the following layouts: Azeri (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 GNU/Linux may have their own additional custom layouts for the same or other languages.


KB Belarusan.svg


KB Ukrainian.svg


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.

KB Tatar.svg


KB Bashkir.svg


KB Kazakh.svg


The additional Kyrgyz letters are typed with AltGr (right Alt).

KB Kyrgyz.svg


KB Yakut.svg


KB Tajik.svg


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.

Mongolian keyboard win.png

Latin JCUKEN[edit]

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

Russian/Latin JCUKEN keyboard of the UKNC computer

See also[edit]


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