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In its use as a file separator, this character can be used to subdivide textual data into [[Record (computer science)|records]] or other semantic units; for instance, it has this role in the ANSI/NIST-ITL Standard Data Format for the Interchange of Fingerprint, Facial & Other Biometric Information. 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>{{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>
Under most [[UNIX]]-based operating systems control-\ is used to terminate a running [[process (computing)|process]] from a [[shell (computing)|command shell]] and have it produce a [[core dump|memory core dump]] by sending it a [[SIGQUIT]] [[signal (computing)|signal]].<ref>{{citation|title=Advanced Programming in the UNIX Environment|series=Addison-Wesley professional computing series|first1=W. Richard|last1=Stevens|first2=Stephen A.|last2=Rago|publisher=Pearson Education|year=2013|isbn=9780321637734|page=300|url=https://books.google.com/books?id=_kpsAQAAQBAJ&pg=PA300}}</ref> Other similar ways of terminating or interrupting a shell process include [[Control-C]], [[Control-Z]], and the [[kill (command)|kill command]].
As a character that can be easily typed on most keyboards, but with no standardized meaning, control-\ is often used as a [[keyboard shortcut]] in different [[graphical user interface]]s, with various unrelated effects. For instance, some versions of [[Windows File Manager]] use it to de-select all selected files.<ref>{{citation|url=https://books.google.com/books?id=jFEEAAAAMBAJ&pg=PA22|title=More on file managing, networking, and mouse customization|magazine=InfoWorld|first=Brian|last=Livingston|department=Window Manager|page=22|date=October 19, 1992}}</ref> In [[Adobe InDesign]], it has been used to mark a point in a line of text as the starting position of a [[hanging indent]].<ref>{{citation|title=InDesign CS4 for Macintosh and Windows: Visual QuickStart Guide|first=Sandee|last=Cohen|publisher=Peachpit Press|year=2008|isbn=9780321648853|page=161|url=https://books.google.com/books?id=gM6_LopFqaQC&pg=PT161}}</ref>
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==References==
{{reflist}}
{{DEFAULTSORT:Control}}
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