## 11.2 ASCII Collating Sequence

### 11.2.1 Printing Characters

Decimal value and character. The value 32 is a space.

 30 40 50 60 70 80 90 100 110 120 0 `(` `2` `<` `F` `P` `Z` `d` `n` `x` 1 `)` `3` `=` `G` `Q` `[` `e` `o` `y` 2 `*` `4` `>` `H` `R` `\` `f` `p` `z` 3 `!` `+` `5` `?` `I` `S` `]` `g` `q` `{` 4 `"` `,` `6` `@` `J` `T` `^` `h` `r` `|` 5 `#` `-` `7` `A` `K` `U` `_` `i` `s` `}` 6 `\$` `.` `8` `B` `L` `V` ``` `j` `t` `~` 7 `%` `/` `9` `C` `M` `W` `a` `k` `u` 8 `&` `0` `:` `D` `N` `X` `b` `l` `v` 9 `'` `1` `;` `E` `O` `Y` `c` `m` `w`

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Octal value and character. The value 40 is a space.

 40 50 60 70 100 110 120 130 140 150 160 170 0 ` ` `(` `0` `8` `@` `H` `P` `X` `'` `h` `p` `x` 1 `!` `)` `1` `9` `A` `I` `Q` `Y` `a` `i` `q` `y` 2 `"` `*` `2` `:` `B` `J` `R` `Z` `b` `j` `r` `z` 3 `#` `+` `3` `;` `C` `K` `S` `[` `c` `k` `s` `{` 4 `\$` `,` `4` `<` `D` `L` `T` `\` `d` `l` `t` `|` 5 `%` `-` `5` `=` `E` `M` `U` `]` `e` `m` `u` `}` 6 `&` `.` `6` `>` `F` `N` `V` `^` `f` `n` `v` `~` 7 `'` `/` `7` `?` `G` `O` `W` `_` `g` `o` `w`

### 11.2.2 Non-printing Characters

 Decimal Octal Mnemonic Control Description 0 000 NUL ctrl/@ Null character 1 001 SOH ctrl/A Start of heading 2 002 STX ctrl/B Start of text 3 003 ETX ctrl/C End of text 4 004 EOT ctrl/D End of transmission 5 005 ENQ ctrl/E Enquire 6 006 ACK ctrl/F Acknowledge 7 007 BEL ctrl/G Bell 8 010 BS ctrl/H Backspace 9 011 HT ctrl/I Horizontal tab 10 012 LF ctrl/J Line feed 11 013 VT ctrl/K Vertical tab 12 014 FF ctrl/L Form feed 13 015 CR ctrl/M Carriage return 14 016 SO ctrl/N Shift out 15 017 SI ctrl/O Shift in 16 020 DLE ctrl/P Data link escape 17 021 DC1 ctrl/Q Device control 1 (XON) 18 022 DC2 ctrl/R Device control 2 19 023 DC3 ctrl/S Device control 3 (XOFF) 20 024 DC4 ctrl/T Device control 4 21 025 NAK ctrl/U Negative acknowledge 22 026 SYN ctrl/V Synchronise 23 027 ETB ctrl/W End transmission of block 24 030 CAN ctrl/X Cancel 25 031 EM ctrl/Y End of medium 26 032 EOF ctrl/Z End-of-file 27 033 ESC ctrl/[ Escape 28 034 FS ctrl/\ File separator 29 035 GS ctrl/] Group separator 30 036 RS ctrl/^ Record separator 31 037 US ctrl/_ Unit separator 127 177 DEL Delete