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If the terminal driver is in "raw" mode, it no longer interprets control characters, and the EOT character is sent unchanged to the program, which is free to interpret it any way it likes. A program may then decide to handle the EOT byte as an indication that it should end the text; this would then
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In Unix, the end-of-file character (by default EOT) causes the terminal driver to make available all characters in its input buffer immediately; normally the driver would collect characters until it sees an end-of-line character. If the input buffer is empty (because no characters have been typed
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A single Poll (ask the station for data) or Select (send data to the station) operation will include two round-trip send-reply operations between the polling station and the station being polled, the final operation being transmission of a single EOT character to the initiating station.
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Poll/Select, or
Burroughs TD830 Contention Mode protocol use the EOT character to terminate a communications sequence between two cooperating stations (such as a host multiplexer or Input/Output terminal).
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since the last end-of-line or end-of-file), a program reading from the terminal reads a count of zero bytes. In Unix, such a condition is understood as having reached the end of the file.
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in DOS. The DOS Control-Z byte is actually sent and/or placed in files to indicate where the text ends. In contrast, the
Control-D causes the Unix terminal driver to signal the
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command with no arguments, so it accepts its input from the keyboard and prints output to the screen. Type a few characters without pressing
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An EOT is often used to initiate other functions, such as releasing circuits, disconnecting terminals, or placing receive terminals in a
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is typed without typing any characters first, the input stream is terminated and the program ends. An actual EOT is obtained by typing
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condition, which is not a character, while the byte has no special meaning if actually read or written from a file or terminal.
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can also be used as a graphic representation of EOT; it is defined in
Unicode as "symbol for End of Transmission".
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The EOT character is used in legacy communications protocols by
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for when EOT needs to be displayed graphically. In addition,
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Usage in mainframe computer system communications protocols
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condition. Its most common use today is to cause a Unix
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335:. Terminal transmission control protocols such as
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230:The EOT character in Unix is different from the
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109:Learn how and when to remove this message
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387:"end-of-transmission character (EOT)"
47:adding citations to reliable sources
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245:This can be demonstrated with the
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196:. Unicode provides the character
483: This article incorporates
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255:-like operating systems such as
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496:General Services Administration
461:from the original on 2019-12-30
430:from the original on 2019-01-18
399:from the original on 2020-11-23
58:"End-of-Transmission character"
34:needs additional citations for
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207:SYMBOL FOR END OF TRANSMISSION
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16:Transmission control character
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127:End-of-Transmission character
311:is handled by DOS programs.
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180:. It can be referred to as
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449:"Miscellaneous Technical"
354:C0 and C1 control codes
491:Federal Standard 1037C
485:public domain material
392:Federal Standard 1037C
323:manufacturers such as
329:Burroughs Corporation
178:<control-0004>
43:improve this article
518:Control characters
418:"Control Pictures"
321:mainframe computer
303:be similar to how
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364:Keyboard shortcut
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220:ELECTRIC ARROW
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41:Please help
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99:August 2008
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434:2013-04-06
403:2009-03-15
370:References
331:, and the
259:: Run the
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69:newspapers
232:Control-Z
512:Category
456:Archived
425:Archived
397:Archived
395:. 1996.
348:See also
337:IBM 3270
217:⌁
204:␄
153:terminal
265:↵ Enter
168:Unicode
149:standby
142:message
133:) is a
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253:Unix
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166:and
62:news
325:IBM
261:cat
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236:EOF
192:in
162:In
131:EOT
121:In
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