Atlas - 02-charsets.md
Home / doc / linux-ref / docs / chapters / 99-reference Rendered HTML view | Size: 10844 bytes [Download] [Show on GitHub] [Search similar files] [Raw] [Raw (proxy)][FILE BEGIN]Character Sets and Encodings
Character sets and encodings are fundamental concepts in computing that define how characters are represented and stored in digital form. This chapter will provide several character sets to help with as a quick reference for developers.
American Standard Code for Information Interchange (ASCII)
| Decimal | Hexadecimal | Character | C escape | Notes | |---------|-------------|-----------|----------|-------------------------------| | 0 | 0x00 | NUL |
\0| Null character | | 1 | 0x01 | SOH | | Start of Heading | | 2 | 0x02 | STX | | Start of Text | | 3 | 0x03 | ETX | | End of Text | | 4 | 0x04 | EOT | | End of Transmission | | 5 | 0x05 | ENQ | | Enquiry | | 6 | 0x06 | ACK | | Acknowledge | | 7 | 0x07 | BEL |\a| Bell | | 8 | 0x08 | BS |\b| Backspace | | 9 | 0x09 | HT |\t| Horizontal Tab | | 10 | 0x0a | LF |\n| Line Feed | | 11 | 0x0b | VT |\v| Vertical Tab | | 12 | 0x0c | FF |\f| Form Feed | | 13 | 0x0d | CR |\r| Carriage Return | | 14 | 0x0e | SO | | Shift Out | | 15 | 0x0f | SI | | Shift In | | 16 | 0x10 | DLE | | Data Link Escape | | 17 | 0x11 | DC1 | | Device Control 1 | | 18 | 0x12 | DC2 | | Device Control 2 | | 19 | 0x13 | DC3 | | Device Control 3 | | 20 | 0x14 | DC4 | | Device Control 4 | | 21 | 0x15 | NAK | | Negative Acknowledge | | 22 | 0x16 | SYN | | Synchronous Idle | | 23 | 0x17 | ETB | | End of Transmission Block | | 24 | 0x18 | CAN | | Cancel | | 25 | 0x19 | EM | | End of Medium | | 26 | 0x1a | SUB | | Substitute | | 27 | 0x1b | ESC |\e| Escape | | 28 | 0x1c | FS | | File Separator | | 29 | 0x1d | GS | | Group Separator | | 30 | 0x1e | RS | | Record Separator | | 31 | 0x1f | US | | Unit Separator | | 32 | 0x20 | SPACE | | Space | | 33 | 0x21 | ! | | Exclamation Mark | | 34 | 0x22 | " | | Quotation Mark | | 35 | 0x23 | # | | Number Sign | | 36 | 0x24 | $ | | Dollar Sign | | 37 | 0x25 | % | | Percent Sign | | 38 | 0x26 | & | | Ampersand | | 39 | 0x27 | ' | | Apostrophe | | 40 | 0x28 | ( | | Left Parenthesis | | 41 | 0x29 | ) | | Right Parenthesis | | 42 | 0x2a | * | | Asterisk | | 43 | 0x2b | + | | Plus Sign | | 44 | 0x2c | , | | Comma | | 45 | 0x2d | - | | Hyphen-Minus | | 46 | 0x2e | . | | Full Stop | | 47 | 0x2f | / | | Solidus | | 48 | 0x30 | 0 | | | | 49 | 0x31 | 1 | | | | 50 | 0x32 | 2 | | | | 51 | 0x33 | 3 | | | | 52 | 0x34 | 4 | | | | 53 | 0x35 | 5 | | | | 54 | 0x36 | 6 | | | | 55 | 0x37 | 7 | | | | 56 | 0x38 | 8 | | | | 57 | 0x39 | 9 | | | | 58 | 0x3a | : | | Colon | | 59 | 0x3b | ; | | Semicolon | | 60 | 0x3c | < | | Less-Than Sign | | 61 | 0x3d | = | | Equals Sign | | 62 | 0x3e | > | | Greater-Than Sign | | 63 | 0x3f | ? | | Question Mark | | 64 | 0x40 | @ | | At Sign | | 65 | 0x41 | A | | | | 66 | 0x42 | B | | | | 67 | 0x43 | C | | | | 68 | 0x44 | D | | | | 69 | 0x45 | E | | | | 70 | 0x46 | F | | | | 71 | 0x47 | G | | | | 72 | 0x48 | H | | | | 73 | 0x49 | I | | | | 74 | 0x4a | J | | | | 75 | 0x4b | K | | | | 76 | 0x4c | L | | | | 77 | 0x4d | M | | | | 78 | 0x4e | N | | | | 79 | 0x4f | O | | | | 80 | 0x50 | P | | | | 81 | 0x51 | Q | | | | 82 | 0x52 | R | | | | 83 | 0x53 | S | | | | 84 | 0x54 | T | | | | 85 | 0x55 | U | | | | 86 | 0x56 | V | | | | 87 | 0x57 | W | | | | 88 | 0x58 | X | | | | 89 | 0x59 | Y | | | | 90 | 0x5a | Z | | | | 91 | 0x5b | [ | | Left Square Bracket | | 92 | 0x5c | \ |\\| Backslash | | 93 | 0x5d | ] | | Right Square Bracket | | 94 | 0x5e | ^ | | Circumflex Accent | | 95 | 0x5f | _ | | Low Line | 96 | 0x60 | ` | | Grave Accent | | 97 | 0x61 | a | | | | 98 | 0x62 | b | | | | 99 | 0x63 | c | | | | 100 | 0x64 | d | | | | 101 | 0x65 | e | | | | 102 | 0x66 | f | | | | 103 | 0x67 | g | | | | 104 | 0x68 | h | | | | 105 | 0x69 | i | | | | 106 | 0x6a | j | | | | 107 | 0x6b | k | | | | 108 | 0x6c | l | | | | 109 | 0x6d | m | | | | 110 | 0x6e | n | | | | 111 | 0x6f | o | | | | 112 | 0x70 | p | | | | 113 | 0x71 | q | | | | 114 | 0x72 | r | | | | 115 | 0x73 | s | | | | 116 | 0x74 | t | | | | 117 | 0x75 | u | | | | 118 | 0x76 | v | | | | 119 | 0x77 | w | | | | 120 | 0x78 | x | | | | 121 | 0x79 | y | | | | 122 | 0x7a | z | | | | 123 | 0x7b | { | | Left Curly Bracket | | 124 | 0x7c | \| | | Vertical Bar | | 125 | 0x7d | } | | Right Curly Bracket | | 126 | 0x7e | ~ | | Tilde | | 127 | 0x7f | DEL | | Delete |[FILE END](C) 2025 0x4248 (C) 2025 4248 Media and 4248 Systems, All part of 0x4248 See LICENCE files for more information. Not all files are by 0x4248 always check Licencing.