info > KOI8-U(7)

📛 NAME

koi8-u – Ukrainian character set encoded in octal, decimal, and hexadecimal

🚀 Quick Reference

Use CaseCommandDescription
🔍 View the KOI8-U character tableman 7 koi8-uDisplay this manual page
🔄 Convert a file to KOI8-Uiconv -f UTF-8 -t KOI8-U input.txt > output.txtTranscode from UTF‑8 to KOI8‑U
🌐 Set Ukrainian localeLANG=uk_UA.KOI8-U your-appUse KOI8‑U encoding for a single command
📋 List available localeslocale -a | grep koi8Check which KOI8 locales are installed
🧪 Test a character valueprintf '\324'Print character octal 324 (CYRILLIC SMALL LETTER TE)

📖 DESCRIPTION

RFC 2310 defines an 8-bit character set, KOI8‑U. KOI8‑U encodes the characters used in Ukrainian and Byelorussian.

📊 KOI8‑U Characters

The following table displays the printable characters in KOI8‑U that are not listed in the ascii(7) manual page.

OctDecHexCharDescription
20012880 BOX DRAWINGS LIGHT HORIZONTAL
20112981|BOX DRAWINGS LIGHT VERTICAL
20213082 BOX DRAWINGS LIGHT DOWN AND RIGHT
20313183 BOX DRAWINGS LIGHT DOWN AND LEFT
20413284 BOX DRAWINGS LIGHT UP AND RIGHT
20513385 BOX DRAWINGS LIGHT UP AND LEFT
20613486 BOX DRAWINGS LIGHT VERTICAL AND RIGHT
20713587 BOX DRAWINGS LIGHT VERTICAL AND LEFT
21013688 BOX DRAWINGS LIGHT DOWN AND HORIZONTAL
21113789 BOX DRAWINGS LIGHT UP AND HORIZONTAL
2121388A BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL
2131398B UPPER HALF BLOCK
2141408C LOWER HALF BLOCK
2151418D FULL BLOCK
2161428E LEFT HALF BLOCK
2171438F RIGHT HALF BLOCK
22014490 LIGHT SHADE
22114591 MEDIUM SHADE
22214692 DARK SHADE
22314793 TOP HALF INTEGRAL
22414894 BLACK SQUARE
22514995 BULLET OPERATOR
22615096<sqrt>SQUARE ROOT
22715197~~ALMOST EQUAL TO
23015298<=LESS-THAN OR EQUAL TO
23115399>=GREATER-THAN OR EQUAL TO
2321549A NO-BREAK SPACE
2331559B BOTTOM HALF INTEGRAL
2341569C<degree>DEGREE SIGN
2351579D^2SUPERSCRIPT TWO
2361589E.MIDDLE DOT
2371599F/DIVISION SIGN
240160A0 BOX DRAWINGS DOUBLE HORIZONTAL
241161A1 BOX DRAWINGS DOUBLE VERTICAL
242162A2 BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE
243163A3 CYRILLIC SMALL LETTER IO
244164A4 CYRILLIC SMALL LETTER UKRAINIAN IE
245165A5 BOX DRAWINGS DOUBLE DOWN AND RIGHT
246166A6 CYRILLIC SMALL LETTER
BYELORUSSIAN-UKRAINIAN I
247167A7 CYRILLIC SMALL LETTER YI (Ukrainian)
250168A8 BOX DRAWINGS DOUBLE DOWN AND LEFT
251169A9 BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE
252170AA BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE
253171AB BOX DRAWINGS DOUBLE UP AND RIGHT
254172AC BOX DRAWINGS UP SINGLE AND LEFT DOUBLE
255173AD CYRILLIC SMALL LETTER GHE WITH UPTURN
256174AE BOX DRAWINGS DOUBLE UP AND LEFT
257175AF BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE
260176B0 BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE
261177B1 BOX DRAWINGS DOUBLE VERTICAL AND RIGHT
262178B2 BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE
263179B3 CYRILLIC CAPITAL LETTER IO
264180B4 CYRILLIC CAPITAL LETTER UKRAINIAN IE
265181B5 BOX DRAWINGS DOUBLE VERTICAL AND LEFT
266182B6 CYRILLIC CAPITAL LETTER
BYELORUSSIAN-UKRAINIAN I
267183B7 CYRILLIC CAPITAL LETTER YI (Ukrainian)
270184B8 BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL
271185B9 BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE
272186BA BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE
273187BB BOX DRAWINGS DOUBLE UP AND HORIZONTAL
274188BC BOX DRAWINGS VERTICAL SINGLE
AND HORIZONTAL DOUBLE
275189BD CYRILLIC CAPITAL LETTER GHE WITH UPTURN
276190BE BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL
277191BF(C)COPYRIGHT SIGN
300192C0 CYRILLIC SMALL LETTER YU
301193C1 CYRILLIC SMALL LETTER A
302194C2 CYRILLIC SMALL LETTER BE
303195C3 CYRILLIC SMALL LETTER TSE
304196C4 CYRILLIC SMALL LETTER DE
305197C5 CYRILLIC SMALL LETTER IE
306198C6 CYRILLIC SMALL LETTER EF
307199C7 CYRILLIC SMALL LETTER GHE
310200C8 CYRILLIC SMALL LETTER HA
311201C9 CYRILLIC SMALL LETTER I
312202CA CYRILLIC SMALL LETTER SHORT I
313203CB CYRILLIC SMALL LETTER KA
314204CC CYRILLIC SMALL LETTER EL
315205CD CYRILLIC SMALL LETTER EM
316206CE CYRILLIC SMALL LETTER EN
317207CF CYRILLIC SMALL LETTER O
320208D0 CYRILLIC SMALL LETTER PE
321209D1 CYRILLIC SMALL LETTER YA
322210D2 CYRILLIC SMALL LETTER ER
323211D3 CYRILLIC SMALL LETTER ES
324212D4 CYRILLIC SMALL LETTER TE
325213D5 CYRILLIC SMALL LETTER U
326214D6 CYRILLIC SMALL LETTER ZHE
327215D7 CYRILLIC SMALL LETTER VE
330216D8 CYRILLIC SMALL LETTER SOFT SIGN
331217D9 CYRILLIC SMALL LETTER YERU
332218DA CYRILLIC SMALL LETTER ZE
333219DB CYRILLIC SMALL LETTER SHA
334220DC CYRILLIC SMALL LETTER E
335221DD CYRILLIC SMALL LETTER SHCHA
336222DE CYRILLIC SMALL LETTER CHE
337223DF CYRILLIC SMALL LETTER HARD SIGN
340224E0 CYRILLIC CAPITAL LETTER YU
341225E1 CYRILLIC CAPITAL LETTER A
342226E2 CYRILLIC CAPITAL LETTER BE
343227E3 CYRILLIC CAPITAL LETTER TSE
344228E4 CYRILLIC CAPITAL LETTER DE
345229E5 CYRILLIC CAPITAL LETTER IE
346230E6 CYRILLIC CAPITAL LETTER EF
347231E7 CYRILLIC CAPITAL LETTER GHE
350232E8 CYRILLIC CAPITAL LETTER HA
351233E9 CYRILLIC CAPITAL LETTER I
352234EA CYRILLIC CAPITAL LETTER SHORT I
353235EB CYRILLIC CAPITAL LETTER KA
354236EC CYRILLIC CAPITAL LETTER EL
355237ED CYRILLIC CAPITAL LETTER EM
356238EE CYRILLIC CAPITAL LETTER EN
357239EF CYRILLIC CAPITAL LETTER O
360240F0 CYRILLIC CAPITAL LETTER PE
361241F1 CYRILLIC CAPITAL LETTER YA
362242F2 CYRILLIC CAPITAL LETTER ER
363243F3 CYRILLIC CAPITAL LETTER ES
364244F4 CYRILLIC CAPITAL LETTER TE
365245F5 CYRILLIC CAPITAL LETTER U
366246F6 CYRILLIC CAPITAL LETTER ZHE
367247F7 CYRILLIC CAPITAL LETTER VE
370248F8 CYRILLIC CAPITAL LETTER SOFT SIGN
371249F9 CYRILLIC CAPITAL LETTER YERU
372250FA CYRILLIC CAPITAL LETTER ZE
373251FB CYRILLIC CAPITAL LETTER SHA
374252FC CYRILLIC CAPITAL LETTER E
375253FD CYRILLIC CAPITAL LETTER SHCHA
376254FE CYRILLIC CAPITAL LETTER CHE
377255FF CYRILLIC CAPITAL LETTER HARD SIGN

📝 NOTES

The differences from KOI8‑R are in the hex positions A4, A6, A7, AD, B4, B6, B7, and BD.

📚 SEE ALSO

ascii(7), charsets(7), cp1251(7), iso_8859-5(7), koi8-r(7), utf-8(7)

📘 COLOPHON

This page is part of release 5.10 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

KOI8-U(7) □✕
📛 NAME 🚀 Quick Reference 📖 DESCRIPTION
📊 KOI8‑U Characters
📝 NOTES 📚 SEE ALSO 📘 COLOPHON

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