Char |
Octal |
Dec |
Hex |
Control-Key |
Description |
NUL |
0 |
0 |
0 |
^@ |
Null character |
SOH |
1 |
1 |
1 |
^A |
Start of heading, = console interrupt |
STX |
2 |
2 |
2 |
^B |
Start of text, maintenance mode on HP console |
ETX |
3 |
3 |
3 |
^C |
End of text |
EOT |
4 |
4 |
4 |
^D |
End of transmission, not the same as ETB |
ENQ |
5 |
5 |
5 |
^E |
Enquiry, goes with ACK; old HP flow control |
ACK |
6 |
6 |
6 |
^F |
Acknowledge, clears ENQ logon hand |
BEL |
7 |
7 |
7 |
^G |
Bell, rings the bell... |
BS |
10 |
8 |
8 |
^H |
Backspace, works on HP terminals/computers |
HT |
11 |
9 |
9 |
^I |
Horizontal tab, move to next tab stop |
LF |
12 |
10 |
a |
^J |
Line Feed |
VT |
13 |
11 |
b |
^K |
Vertical tab |
FF |
14 |
12 |
c |
^L |
Form Feed, page eject |
CR |
15 |
13 |
d |
^M |
Carriage Return |
SO |
16 |
14 |
e |
^N |
Shift Out, alternate character set |
SI |
17 |
15 |
f |
^O |
Shift In, resume defaultn character set |
DLE |
20 |
16 |
10 |
^P |
Data link escape |
DC1 |
21 |
17 |
11 |
^Q |
XON, with XOFF to pause listings; ":okay to send". |
DC2 |
22 |
18 |
12 |
^R |
Device control 2, block-mode flow control |
DC3 |
23 |
19 |
13 |
^S |
XOFF, with XON is TERM=18 flow control |
DC4 |
24 |
20 |
14 |
^T |
Device control 4 |
NAK |
25 |
21 |
15 |
^U |
Negative acknowledge |
SYN |
26 |
22 |
16 |
^V |
Synchronous idle |
ETB |
27 |
23 |
17 |
^W |
End transmission block, not the same as EOT |
CAN |
30 |
24 |
17 |
^X |
Cancel line, MPE echoes !!! |
EM |
31 |
25 |
19 |
^Y |
End of medium, Control-Y interrupt |
SUB |
32 |
26 |
1a |
^Z |
Substitute |
ESC |
33 |
27 |
1b |
^[ |
Escape, next character is not echoed |
FS |
34 |
28 |
1c |
^ |
File separator |
GS |
35 |
29 |
1d |
^] |
Group separator |
RS |
36 |
30 |
1e |
^^ |
Record separator, block-mode terminator |
US |
37 |
31 |
1f |
^_ |
Unit separator |
Char |
Octal |
Dec |
Hex |
Control-Key |
Description |
SP |
40 |
32 |
20 |
|
Space |
! |
41 |
33 |
21 |
|
Exclamation mark |
" |
42 |
34 |
22 |
|
Quotation mark (" in html) |
# |
43 |
35 |
23 |
|
Cross hatch (number sign) |
$ |
44 |
36 |
24 |
|
Dollar sign |
% |
45 |
37 |
25 |
|
Percent sign |
& |
46 |
38 |
26 |
|
Ampersand |
` |
47 |
39 |
27 |
|
Closing single quote (apostrophe) |
( |
50 |
40 |
28 |
|
Opening parentheses |
) |
51 |
41 |
29 |
|
Closing parentheses |
* |
52 |
42 |
2a |
|
Asterisk (star, multiply) |
+ |
53 |
43 |
2b |
|
Plus |
, |
54 |
44 |
2c |
|
Comma |
- |
55 |
45 |
2d |
|
Hyphen, dash, minus |
. |
56 |
46 |
2e |
|
Period |
/ |
57 |
47 |
2f |
|
Slant (forward slash, divide) |
0 |
60 |
48 |
30 |
|
Zero |
1 |
61 |
49 |
31 |
|
One |
2 |
62 |
50 |
32 |
|
Two |
3 |
63 |
51 |
33 |
|
Three |
4 |
64 |
52 |
34 |
|
Four |
5 |
65 |
53 |
35 |
|
Five |
6 |
66 |
54 |
36 |
|
Six |
7 |
67 |
55 |
37 |
|
Seven |
8 |
70 |
56 |
38 |
|
Eight |
9 |
71 |
57 |
39 |
|
Nine |
: |
72 |
58 |
3a |
|
Colon |
; |
73 |
59 |
3b |
|
Semicolon |
< |
74 |
60 |
3c |
|
Less than sign (< in HTML) |
= |
75 |
61 |
3d |
|
Equals sign |
> |
76 |
62 |
3e |
|
Greater than sign (> in HTML) |
? |
77 |
63 |
3f |
|
Question mark |
@ |
100 |
64 |
40 |
|
At-sign |
A |
101 |
65 |
41 |
|
Uppercase A |
B |
102 |
66 |
42 |
|
Uppercase B |
C |
103 |
67 |
43 |
|
Uppercase C |
D |
104 |
68 |
44 |
|
Uppercase D |
E |
105 |
69 |
45 |
|
Uppercase E |
F |
106 |
70 |
46 |
|
Uppercase F |
G |
107 |
71 |
47 |
|
Uppercase G |
H |
110 |
72 |
48 |
|
Uppercase H |
I |
111 |
73 |
49 |
|
Uppercase I |
J |
112 |
74 |
4a |
|
Uppercase J |
K |
113 |
75 |
4b |
|
Uppercase K |
L |
114 |
76 |
4c |
|
Uppercase L |
M |
115 |
77 |
4d |
|
Uppercase M |
N |
116 |
78 |
4e |
|
Uppercase N |
O |
117 |
79 |
4f |
|
Uppercase O |
P |
120 |
80 |
50 |
|
Uppercase P |
Q |
121 |
81 |
51 |
|
Uppercase Q |
R |
122 |
82 |
52 |
|
Uppercase R |
S |
123 |
83 |
53 |
|
Uppercase S |
T |
124 |
84 |
54 |
|
Uppercase T |
U |
125 |
85 |
55 |
|
Uppercase U |
V |
126 |
86 |
56 |
|
Uppercase V |
W |
127 |
87 |
57 |
|
Uppercase W |
X |
130 |
88 |
58 |
|
Uppercase X |
Y |
131 |
89 |
59 |
|
Uppercase Y |
Z |
132 |
90 |
5a |
|
Uppercase Z |
[ |
133 |
91 |
5b |
|
Opening square bracket |
134 |
92 |
5c |
|
Reverse slant (Backslash) |
|
] |
135 |
93 |
5d |
|
Closing square bracket |
^ |
136 |
94 |
5e |
|
Caret (Circumflex) |
_ |
137 |
95 |
5f |
|
Underscore |
` |
140 |
96 |
60 |
|
Opening single quote |
a |
141 |
97 |
61 |
|
Lowercase a |
b |
142 |
98 |
62 |
|
Lowercase b |
c |
143 |
99 |
63 |
|
Lowercase c |
d |
144 |
100 |
64 |
|
Lowercase d |
e |
145 |
101 |
65 |
|
Lowercase e |
f |
146 |
102 |
66 |
|
Lowercase f |
g |
147 |
103 |
67 |
|
Lowercase g |
h |
150 |
104 |
68 |
|
Lowercase h |
i |
151 |
105 |
69 |
|
Lowercase i |
j |
152 |
106 |
6a |
|
Lowercase j |
k |
153 |
107 |
6b |
|
Lowercase k |
l |
154 |
108 |
6c |
|
Lowercase l |
m |
155 |
109 |
6d |
|
Lowercase m |
n |
156 |
110 |
6e |
|
Lowercase n |
o |
157 |
111 |
6f |
|
Lowercase o |
p |
160 |
112 |
70 |
|
Lowercase p |
q |
161 |
113 |
71 |
|
Lowercase q |
r |
162 |
114 |
72 |
|
Lowercase r |
s |
163 |
115 |
73 |
|
Lowercase s |
t |
164 |
116 |
74 |
|
Lowercase t |
u |
165 |
117 |
75 |
|
Lowercase u |
v |
166 |
118 |
76 |
|
Lowercase v |
w |
167 |
119 |
77 |
|
Lowercase w |
x |
170 |
120 |
78 |
|
Lowercase x |
y |
171 |
121 |
79 |
|
Lowercase y |
z |
172 |
122 |
7a |
|
Lowercase z |
{ |
173 |
123 |
7b |
|
Opening curly brace |
| |
174 |
124 |
7c |
|
Vertical line |
} |
175 |
125 |
7d |
|
Cloing curly brace |
~ |
176 |
126 |
7e |
|
Tilde (Approximate) |
DEL |
177 |
127 |
7f |
|
Delete (rubout), cross-hatch box |
Control codes - converting to ASCII, hex or decimal
Ascii Table - ASCII character codes and html, octal, hex and decimal chart conversion