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Table of Contents

ASCII Character Set

ASCII Character Set

Some commands described in this publication, such as the terminal escape-character EXEC command, require the decimal representation of an ASCII character.

Table A-1 provides code translations from ASCII characters to the decimal numbers. For example, the ASCII carriage return (CR) is decimal character 13. Pressing Ctrl-M at your terminal generates decimal character 13, which is interpreted as a CR.


ASCII-to-Decimal Translation Table
Numeric Values Decimal   Hex ASCII Character Name Comment Keyboard Entry
0 00 NUL Null Ctrl-@
1 01 SOH Start of heading Ctrl-A
2 02 STX Start of text Ctrl-B
3 03 ETX Break/end of text Ctrl-C
4 04 EOT End of transmission Ctrl-D
5 05 ENQ Enquiry Ctrl-E
6 06 ACK Positive acknowledgment Ctrl-F
7 07 BEL Bell Ctrl-G
8 08 BS Backspace Ctrl-H
9 09 HT Horizontal tab Ctrl-I
10 0A LF Line feed Ctrl-J
11 0B VT Vertical tab Ctrl-K
12 0C FF Form feed Ctrl-L
13 0D CR Carriage return Ctrl-M
14 0E SO Shift out Ctrl-N
15 0F SI Shift in/XON (resume output) Ctrl-O
16 10 DLE Data link escape Ctrl-P
17 11 DC1 Device control character 1 Ctrl-Q
18 12 DC2 Device control character 2 Ctrl-R
19 13 DC3 Device control character 3 Ctrl-S
20 14 DC4 Device control character 4 Ctrl-T
21 15 NAK Negative Acknowledgment Ctrl-U
22 16 SYN Synchronous idle Ctrl-V
23 17 ETB End of transmission block Ctrl-W
24 18 CAN Cancel Ctrl-X
25 19 EM End of medium Ctrl-Y
26 1A SUB substitute/end of file Ctrl-Z
27 1B ESC Escape Ctrl-[
28 1C FS File separator Ctrl-\
29 1D GS Group separator Ctrl-]
30 1E RS Record separator Ctrl-^
31 1F US Unit separator Ctrl-_
32 20 SP Space Space
33 21 !
34 22 "
35 23 #
36 24 $
37 25 %
38 26 &
39 27 '
40 28 (
41 29 )
42 2A *
43 2B +
44 2C ,
45 2D -
46 2E .
47 2F /
48 30 0
49 31 1
50 32 2
51 33 3
52 34 4
53 35 5
54 36 6
55 37 7
56 38 8
57 39 9
58 3A :
59 3B ;
60 3C <
61 3D =
62 3E >
63 3F ?
64 40 @
65 41 A
66 42 B
67 43 C
68 44 D
69 45 E
70 46 F
71 47 G
72 48 H
73 49 I
74 4A J
75 4B K
76 4C L
77 4D M
78 4E N
79 4F O
80 50 P
81 51 Q
82 52 R
83 53 S
84 54 T
85 55 U
86 56 V
87 57 W
88 58 X
89 59 Y
90 5A Z
91 5B [
92 5C \
93 5D ]
94 5E ^
95 5F _
96 60 `
97 61 a
98 62 b
99 63 c
100 64 d
101 65 e
102 66 f
103 67 g
104 68 h
105 69 i
106 6A j
107 6B k
108 6C l
109 6D m
110 6E n
111 6F o
112 70 p
113 71 q
114 72 r
115 73 s
116 74 t
117 75 u
118 76 v
119 77 w
120 78 x
121 79 y
122 7A z
123 7B {
124 7C |
125 7D }
126 7E Tilde ~
127 7F Delete Del

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