control code
Hidden formatting instruction
A control code is a character in computing that doesn't represent a printable symbol but instead triggers an action or signals information to a device.
The earliest control codes—like carriage return, line feed, and escape—date from teletype machines and remain embedded in modern systems.
The file contained invisible control codes that corrupted the display.
Electronic character encoding standard
- escape sequenceCharacters triggering special behavior
- carriage returnCursor-to-margin command
- tabProjection for gripping
- backspaceKeyboard's leftward eraser
BOM · delimiter · newline · delete character
ASCII
Electronic character encoding standard
- escape sequenceCharacters triggering special behavior
- carriage returnCursor-to-margin command
- tabProjection for gripping
backspace · BOM · delimiter · newline · delete character
control codeletter
Written symbol or message
digit · glyph · symbol · punctuation mark · plain text
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