Table 1: Control Characters

CHAR DEC HEX Control-Key Description
NUL 0 00 ^@ Null
SOH 1 01 ^A Start of heading
STX 2 02 ^B Start of text
ETX 3 03 ^C End of text
EOT 4 04 ^D End of transmission
ENQ 5 05 ^E Enquiry (teamed up with ACK)
ACK 6 06 ^F Acknowledge (clears ENQ)
BEL 7 07 ^G Bell (rings bell)
BS 8 08 ^H Backspace
HT 9 09 ^I Horizontal tab
LF 10 0A ^J Line feed
VT 11 0B ^K Vertical tab
FF 12 0C ^L Form feed (eject page)
CR 13 0D ^M Carriage return
SO 14 0E ^N Shift out (select alternate character set)
SI 15 0F ^O Shift in (select default character set)
DLE 16 10 ^P Data link escape
DC1 17 11 ^Q Device control 1 (resume listing)
DC2 18 12 ^R Device control 2
DC3 19 13 ^S Device control 3 (pause listing)
DC4 20 14 ^T Device control 4
NAK 21 15 ^U Negative acknowledge
SYN 22 16 ^V Synchronous idle
ETB 23 17 ^W End transmission block (not the same as EOT)
CAN 24 18 ^X Cancel line
EM 25 19 ^Y End of medium
SUB 26 1A ^Z Substitute
ESC 27 1B ^[ Escape (next character not echoed)
FS 28 1C ^\ File separator
GS 29 1D ^] Group separator
RS 30 1E ^^ Record separator
US 31 1F ^_ Unit separator