1.\" Copyright (c) 1989, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)ascii.7 8.1 (Berkeley) 6/5/93 29.\" $FreeBSD$ 30.\" 31.Dd November 12, 2022 32.Dt ASCII 7 33.Os 34.Sh NAME 35.Nm ascii 36.Nd octal, hexadecimal, decimal and binary 37.Tn ASCII 38character sets 39.Sh DESCRIPTION 40The 41.Nm octal 42set: 43.Bd -literal -offset left 44000 NUL 001 SOH 002 STX 003 ETX 004 EOT 005 ENQ 006 ACK 007 BEL 45010 BS 011 HT 012 LF 013 VT 014 FF 015 CR 016 SO 017 SI 46020 DLE 021 DC1 022 DC2 023 DC3 024 DC4 025 NAK 026 SYN 027 ETB 47030 CAN 031 EM 032 SUB 033 ESC 034 FS 035 GS 036 RS 037 US 48040 SP 041 ! 042 " 043 # 044 $ 045 % 046 & 047 ' 49050 ( 051 ) 052 * 053 + 054 , 055 - 056 . 057 / 50060 0 061 1 062 2 063 3 064 4 065 5 066 6 067 7 51070 8 071 9 072 : 073 ; 074 < 075 = 076 > 077 ? 52100 @ 101 A 102 B 103 C 104 D 105 E 106 F 107 G 53110 H 111 I 112 J 113 K 114 L 115 M 116 N 117 O 54120 P 121 Q 122 R 123 S 124 T 125 U 126 V 127 W 55130 X 131 Y 132 Z 133 [ 134 \e\ 135 ] 136 ^ 137 _ 56140 ` 141 a 142 b 143 c 144 d 145 e 146 f 147 g 57150 h 151 i 152 j 153 k 154 l 155 m 156 n 157 o 58160 p 161 q 162 r 163 s 164 t 165 u 166 v 167 w 59170 x 171 y 172 z 173 { 174 | 175 } 176 ~ 177 DEL 60.Ed 61.Pp 62The 63.Nm hexadecimal 64set: 65.Bd -literal -offset left 6600 NUL 01 SOH 02 STX 03 ETX 04 EOT 05 ENQ 06 ACK 07 BEL 6708 BS 09 HT 0a LF 0b VT 0c FF 0d CR 0e SO 0f SI 6810 DLE 11 DC1 12 DC2 13 DC3 14 DC4 15 NAK 16 SYN 17 ETB 6918 CAN 19 EM 1a SUB 1b ESC 1c FS 1d GS 1e RS 1f US 7020 SP 21 ! 22 " 23 # 24 $ 25 % 26 & 27 ' 7128 ( 29 ) 2a * 2b + 2c , 2d - 2e . 2f / 7230 0 31 1 32 2 33 3 34 4 35 5 36 6 37 7 7338 8 39 9 3a : 3b ; 3c < 3d = 3e > 3f ? 7440 @ 41 A 42 B 43 C 44 D 45 E 46 F 47 G 7548 H 49 I 4a J 4b K 4c L 4d M 4e N 4f O 7650 P 51 Q 52 R 53 S 54 T 55 U 56 V 57 W 7758 X 59 Y 5a Z 5b [ 5c \e\ 5d ] 5e ^ 5f _ 7860 \` 61 a 62 b 63 c 64 d 65 e 66 f 67 g 7968 h 69 i 6a j 6b k 6c l 6d m 6e n 6f o 8070 p 71 q 72 r 73 s 74 t 75 u 76 v 77 w 8178 x 79 y 7a z 7b { 7c | 7d } 7e ~ 7f DEL 82.Ed 83.Pp 84The 85.Nm decimal 86set: 87.Bd -literal -offset left 88 0 NUL 1 SOH 2 STX 3 ETX 4 EOT 5 ENQ 6 ACK 7 BEL 89 8 BS 9 HT 10 LF 11 VT 12 FF 13 CR 14 SO 15 SI 90 16 DLE 17 DC1 18 DC2 19 DC3 20 DC4 21 NAK 22 SYN 23 ETB 91 24 CAN 25 EM 26 SUB 27 ESC 28 FS 29 GS 30 RS 31 US 92 32 SP 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' 93 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / 94 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 95 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? 96 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G 97 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O 98 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W 99 88 X 89 Y 90 Z 91 [ 92 \e\ 93 ] 94 ^ 95 _ 100 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g 101104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o 102112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w 103120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 DEL 104.Ed 105.Pp 106The 107.Nm binary 108set: 109.Bd -literal -offset left 110 00 01 10 11 111 112NUL SP @ ` 00000 113SOH ! A a 00001 114STX " B b 00010 115ETX # C c 00011 116EOT $ D d 00100 117ENQ % E e 00101 118ACK & F f 00110 119BEL ' G g 00111 120 BS ( H h 01000 121 HT ) I i 01001 122 LF * J j 01010 123 VT + K k 01011 124 FF , L l 01100 125 CR - M m 01101 126 SO . N n 01110 127 SI / O o 01111 128DLE 0 P p 10000 129DC1 1 Q q 10001 130DC2 2 R r 10010 131DC3 3 S s 10011 132DC4 4 T t 10100 133NAK 5 U u 10101 134SYN 6 V v 10110 135ETB 7 W w 10111 136CAN 8 X x 11000 137 EM 9 Y y 11001 138SUB : Z z 11010 139ESC ; [ { 11011 140 FS < \e\ | 11100 141 GS = ] } 11101 142 RS > ^ - 11110 143 US ? _ DEL 11111 144.Ed 145.Pp 146The full 147.Nm names 148of the control character set: 149.Bd -literal -offset left 150NUL NULl 151SOH Start Of Heading 152STX Start Of Text 153ETX End Of Text 154EOT End Of Transmission 155ENQ ENQuiry 156ACK ACKnowledge 157BEL BELl 158 BS BackSpace 159 HT Horizontal Tab 160 LF Line Feed (new line) 161 VT Vertical Tab 162 FF new page Form Feed 163 CR Carriage Return 164 SO Shift Out 165 SI Shift In 166DLE Data Link Escape 167DC1 Device Control 1 168DC2 Device Control 2 169DC3 Device Control 3 170DC4 Device Control 4 171NAK Negative AcKnowledge 172SYN SYNchronous idle 173ETB End of Transmission Block 174CAN CANcel 175 EM End of Medium 176SUB SUBstitute 177ESC ESCape 178 FS File Separator 179 GS Group Separator 180 RS Record Separator 181 US Unit Separator 182.Ed 183.Sh FILES 184.Bl -tag -width /usr/share/misc/ascii -compact 185.It Pa /usr/share/misc/ascii 186.El 187.Sh STANDARDS 188.Rs 189.%T Information Systems - Coded Character Sets - 7-Bit American National\ 190 Standard Code for Information Interchange (7-Bit ASCII) 191.%R INCITS 4-1986[R2017] 192.%Q InterNational Committee for Information Technology Standards 193.Re 194.Sh HISTORY 195An 196.Nm 197manual page appeared in 198.At v2 . 199