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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2004-11-03 13:51:07 +0000 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2004-11-03 13:51:07 +0000 |
| commit | fea681dafb1363a154b7fc6d59baa83d2a9ebc5c (patch) | |
| tree | 8ea275c0f242af739617d0afc3e1b16c4eff3dc2 /man7/ascii.7 | |
| download | man-pages-fea681dafb1363a154b7fc6d59baa83d2a9ebc5c.tar.gz | |
Import of man-pages 1.70man-pages-1.70
Diffstat (limited to 'man7/ascii.7')
| -rw-r--r-- | man7/ascii.7 | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/man7/ascii.7 b/man7/ascii.7 new file mode 100644 index 0000000000..e6f410867a --- /dev/null +++ b/man7/ascii.7 @@ -0,0 +1,183 @@ +'\" t +.\" Copyright (c) 1993 Michael Haardt (michael@moria.de) +.\" Created Fri Apr 2 11:32:09 MET DST 1993 +.\" +.\" This is free documentation; you can redistribute it and/or +.\" modify it under the terms of the GNU General Public License as +.\" published by the Free Software Foundation; either version 2 of +.\" the License, or (at your option) any later version. +.\" +.\" The GNU General Public License's references to "object code" +.\" and "executables" are to be interpreted as the output of any +.\" document formatting or typesetting system, including +.\" intermediate and printed output. +.\" +.\" This manual is distributed in the hope that it will be useful, +.\" but WITHOUT ANY WARRANTY; without even the implied warranty of +.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +.\" GNU General Public License for more details. +.\" +.\" You should have received a copy of the GNU General Public +.\" License along with this manual; if not, write to the Free +.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 +.\" USA. +.\" +.\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu) +.\" Modified 1994-05-15 by Daniel Quinlan (quinlan@yggdrasil.com) +.\" Modified 1994-11-22 by Daniel Quinlan (quinlan@yggdrasil.com) +.\" Modified 1995-07-11 by Daniel Quinlan (quinlan@yggdrasil.com) +.\" Modified 1996-12-18 by Michael Haardt and aeb +.\" Modified 1999-05-31 by Dimitri Papadopoulos (dpo@club-internet.fr) +.\" Modified 1999-08-08 by Michael Haardt (michael@moria.de) +.\" Modified 2004-04-01 by aeb +.\" +.TH ASCII 7 2004-04-01 "Linux" "Linux Programmer's Manual" +.SH NAME +ascii \- the ASCII character set encoded in octal, decimal, and hexadecimal +.SH DESCRIPTION +ASCII is the American Standard Code for Information Interchange. +It is a 7-bit code. Many 8-bit codes (such as ISO 8859-1, the +Linux default character set) contain ASCII as their lower half. +The international counterpart of ASCII is known as ISO 646. +.LP +The following table contains the 128 ASCII characters. +.LP +C program \f(CW'\eX'\fP escapes are noted. +.LP +.if t \{\ +.in 1i +.ft CW +\} +.TS +l l l l l l l l l. +Oct Dec Hex Char Oct Dec Hex Char +_ +000 0 00 NUL '\e0' 100 64 40 @ +001 1 01 SOH 101 65 41 A +002 2 02 STX 102 66 42 B +003 3 03 ETX 103 67 43 C +004 4 04 EOT 104 68 44 D +005 5 05 ENQ 105 69 45 E +006 6 06 ACK 106 70 46 F +007 7 07 BEL '\ea' 107 71 47 G +010 8 08 BS '\eb' 110 72 48 H +011 9 09 HT '\et' 111 73 49 I +012 10 0A LF '\en' 112 74 4A J +013 11 0B VT '\ev' 113 75 4B K +014 12 0C FF '\ef' 114 76 4C L +015 13 0D CR '\er' 115 77 4D M +016 14 0E SO 116 78 4E N +017 15 0F SI 117 79 4F O +020 16 10 DLE 120 80 50 P +021 17 11 DC1 121 81 51 Q +022 18 12 DC2 122 82 52 R +023 19 13 DC3 123 83 53 S +024 20 14 DC4 124 84 54 T +025 21 15 NAK 125 85 55 U +026 22 16 SYN 126 86 56 V +027 23 17 ETB 127 87 57 W +030 24 18 CAN 130 88 58 X +031 25 19 EM 131 89 59 Y +032 26 1A SUB 132 90 5A Z +033 27 1B ESC 133 91 5B [ +034 28 1C FS 134 92 5C \e '\e\e' +035 29 1D GS 135 93 5D ] +036 30 1E RS 136 94 5E ^ +037 31 1F US 137 95 5F \&_ +040 32 20 SPACE 140 96 60 \` +041 33 21 ! 141 97 61 a +042 34 22 " 142 98 62 b +043 35 23 # 143 99 63 c +044 36 24 $ 144 100 64 d +045 37 25 % 145 101 65 e +046 38 26 & 146 102 66 f +047 39 27 ' 147 103 67 g +050 40 28 ( 150 104 68 h +051 41 29 ) 151 105 69 i +052 42 2A * 152 106 6A j +053 43 2B + 153 107 6B k +054 44 2C , 154 108 6C l +055 45 2D \- 155 109 6D m +056 46 2E . 156 110 6E n +057 47 2F / 157 111 6F o +060 48 30 0 160 112 70 p +061 49 31 1 161 113 71 q +062 50 32 2 162 114 72 r +063 51 33 3 163 115 73 s +064 52 34 4 164 116 74 t +065 53 35 5 165 117 75 u +066 54 36 6 166 118 76 v +067 55 37 7 167 119 77 w +070 56 38 8 170 120 78 x +071 57 39 9 171 121 79 y +072 58 3A : 172 122 7A z +073 59 3B ; 173 123 7B { +074 60 3C < 174 124 7C | +075 61 3D = 175 125 7D } +076 62 3E > 176 126 7E ~ +077 63 3F ? 177 127 7F DEL +.TE +.fi +.if t \{\ +.in +.ft P +\} +.SH HISTORY +An +.B ascii +manual page appeared in Version 7 of AT&T UNIX. +.LP +On older terminals, the underscore code is displayed as a left arrow, +called backarrow, the caret is displayed as an up-arrow and the vertical +bar has a hole in the middle. +.LP +Uppercase and lowercase characters differ by just one bit and the +ASCII character 2 differs from the double quote by just one bit, too. +That made it much easier to encode characters mechanically or with a +non-microcontroller-based electronic keyboard and that pairing was found +on old teletypes. +.LP +The ASCII standard was published by the United States of America +Standards Institute (USASI) in 1968. +.\" +.\" ASA was the American Standards Association and X3 was an ASA sectional +.\" committee on computers and data processing. Its name changed to +.\" American National Standards Committee X3 (ANSC-X3) and now it is known +.\" as Accredited Standards Committee X3 (ASC X3). It is accredited by ANSI +.\" and administered by ITI. The subcommittee X3.2 worked on coded +.\" character sets; the task group working on ASCII appears to have been +.\" designated X3.2.4. In 1966, ASA became the United States of America +.\" Standards Institute (USASI) and published ASCII in 1968. It became the +.\" American National Standards Institute (ANSI) in 1969 and is the +.\" U.S. member body of ISO; private and non-profit. +.\" +.SH "SEE ALSO" +.BR iso_8859-1 (7), +.BR iso_8859-15 (7), +.BR iso_8859-16 (7), +.BR iso_8859-2 (7), +.BR iso_8859-7 (7), +.BR iso_8859-9 (7) +.SH TABLES +For convenience, let us give more compact tables in hex and decimal. +.sp +.nf + 2 3 4 5 6 7 30 40 50 60 70 80 90 100 110 120 + ------------- --------------------------------- +0: 0 @ P ` p 0: ( 2 < F P Z d n x +1: ! 1 A Q a q 1: ) 3 = G Q [ e o y +2: " 2 B R b r 2: * 4 > H R \e f p z +3: # 3 C S c s 3: ! + 5 ? I S ] g q { +4: $ 4 D T d t 4: " , 6 @ J T ^ h r | +5: % 5 E U e u 5: # - 7 A K U _ i s } +6: & 6 F V f v 6: $ . 8 B L V ` j t ~ +7: ' 7 G W g w 7: % / 9 C M W a k u DEL +8: ( 8 H X h x 8: & 0 : D N X b l v +9: ) 9 I Y i y 9: ' 1 ; E O Y c m w +A: * : J Z j z +B: + ; K [ k { +C: , < L \e l | +D: - = M ] m } +E: . > N ^ n ~ +F: / ? O _ o DEL +.fi |