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Computer Systems, 4th Edition by J. Stanley Warford

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Abbreviations for Control Characters

NUL

null, or all zeros

SOH

start of heading

STX

start of text

ETX

end of text

EOT

end of transmission

ENQ

enquiry

ACK

acknowledge

BEL

bell

BS

backspace

HT

horizontal tabulation

LF

line feed

VT

vertical tabulation

FF

form feed

CR

carriage return

SO

shift out

SI

shift in

DLE

data link escape

DC1

device control 1

DC2

device control 2

DC3

device control 3

DC4

device control 4

NAK

negative acknowledge

SYN

synchronous idle

ETB

end of transmission block

CAN

cancel

EM

end of medium

SUB

substitute

ESC

escape

FS

file separator

GS

group separator

RS

record ...

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