ASCII Control Characters

    Dec  Oct   Hex   vi  Sym  Character Name
    0    \000  0x00  ^@  NUL  Null
    1    \001  0x01  ^A  SOH  Start of Header
    2    \002  0x02  ^B  STX  Start of Text
    3    \003  0x03  ^C  ETX  End of Text
    4    \004  0x04  ^D  EOT  End of Transmission
    5    \005  0x05  ^E  ENQ  Enquire (ask for answerback)
    6    \006  0x06  ^F  ACK  Acknowledge
    7    \007  0x07  ^G  BEL  Bell 
    8    \010  0x08  ^H  BS   Back Space
    9    \011  0x09  ^I  HT   Horizontal Tab
    10   \012  0x0a  ^J  LF   Line Feed
    11   \013  0x0b  ^K  VT   Vertical Tab
    12   \014  0x0c  ^L  FF   Form Feed
    13   \015  0x0d  ^M  CR   Carriage Return
    14   \016  0x0e  ^N  SO   Shift Out
    15   \017  0x0f  ^O  SI   Shift In
    16   \020  0x10  ^P  DLE  (or DEL) Delete
    17   \021  0x11  ^Q  DC1  Device Control 1
    18   \022  0x12  ^R  DC2  Device Control 2
    19   \023  0x13  ^S  DC3  Device Control 3
    20   \024  0x14  ^T  DC4  Device Control 4
    21   \025  0x15  ^U  NAK  Negative Acknowledge
    22   \026  0x16  ^V  SYN  Synchronize
    23   \027  0x17  ^W  ETB  End Transmission Block
    24   \030  0x18  ^X  CAN  Cancel
    25   \031  0x19  ^Y  EM   End of Medium
    26   \032  0x1a  ^Z  SUB  Substitute
    27   \033  0x1b  ^[  ESC  Escape
    28   \034  0x1c  ^\  FS   File Separator
    29   \035  0x1d  ^]  GS   Group Separator
    30   \036  0x1e  ^^  RS   Record Separator
    31   \037  0x1f  ^_  US   Unit Separator
    127  \177  0x7f  ^?  DEL  Delete