Control-\: Difference between revisions

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{{AfDM|page=Control-\ (2nd nomination)|year=2023|month=October|day=11|substed=yes|origtag=afdx|help=off}}

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In [[computing]], '''control-\''' is a [[control character]] in [[ASCII code]] and the [[Basic Latin (Unicode block)|Basic Latin code block of Unicode]], also known as the '''file separator''' or '''field separator''' ('''[[field separator|FS]]''') character. It is generated by pressing the {{keypress|'''[[backslash|\]]'''}} key while holding down the {{keypress|[[control key|Ctrl]]}} key on a [[computer keyboard]], and has the decimal value [[28 (number)|28]] (or 1c in [[hexadecimal]]). It is the highest-level of the four separators in the ASCII [[C0 and C1 control codes]]; the others are control-] (group separator), control-^ (record separator), and control-_ (unit separator).<ref name=dfi>{{citation|url=https://www.nist.gov/publications/data-format-interchange-fingerprint-facial-other-biometric-information-ansinist-itl-1-1|date=August 22, 2016|first=Kevin|last=Mangold|doi=10.6028/NIST.SP.500-290e3|title=Data Format for the Interchange of Fingerprint, Facial & Other Biometric Information ANSI/NIST-ITL 1-2011 NIST Special Publication 500-290 Edition 3|contribution=Annex B: Traditional Encoding|pages=509–522|publisher=[[American National Standards Institute]] and [[National Institute of Standards and Technology]]}}</ref> It was one of eight codes reserved as separators in the 1963 version of the ASCII standard;<ref>{{citation | last1 = Gorn | first1 = S. | last2 = Bemer | first2 = R. W. | last3 = Green | first3 = J. | date = August 1963 | doi = 10.1145/366707.367524 | issue = 8 | journal = Communications of the ACM | pages = 422–426 | title = American standard code for information interchange | volume = 6}}</ref> these were reduced to four separators in a 1965 revision of the standard.<ref>{{citation |url=https://textfiles.meulie.net/bitsaved/Books/Mackenzie_CodedCharSets.pdf |title=Coded Character Sets, History and Development |series=The Systems Programming Series |author-last=Mackenzie |author-first=Charles E. |year=1980 |publisher=[[Addison-Wesley Publishing Company, Inc.]] |isbn=978-0-201-14460-4 |contribution=23.2 ASCII-1965|pages=423–425}}</ref>