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Интерактивная система просмотра системных руководств (man-ов)

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ascii (7)
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  • ascii (7) ( FreeBSD man: Макропакеты и соглашения )
  • ascii (7) ( Русские man: Макропакеты и соглашения )
  • >> ascii (7) ( Linux man: Макропакеты и соглашения )
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    NAME

    ascii - the ASCII character set encoded in octal, decimal, and hexadecimal
     
    

    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.

    The following table contains the 128 ASCII characters.

    C program aq\Xaq escapes are noted.
    OctDecHexCharOctDecHexChar

    000000NUL aq\0aq1006440@
    001101SOH (start of heading)1016541A
    002202STX (start of text)1026642B
    003303ETX (end of text)1036743C
    004404EOT (end of transmission)1046844D
    005505ENQ (enquiry)1056945E
    006606ACK (acknowledge)1067046F
    007707BEL aq\aaq (bell)1077147G
    010808BS aq\baq (backspace)1107248H
    011909HT aq\taq (horizontal tab)1117349I
    012100ALF aq\naq (new line)112744AJ
    013110BVT aq\vaq (vertical tab)113754BK
    014120CFF aq\faq (form feed)114764CL
    015130DCR aq\raq (carriage ret)115774DM
    016140ESO (shift out)116784EN
    017150FSI (shift in)117794FO
    0201610DLE (data link escape)1208050P
    0211711DC1 (device control 1)1218151Q
    0221812DC2 (device control 2)1228252R
    0231913DC3 (device control 3)1238353S
    0242014DC4 (device control 4)1248454T
    0252115NAK (negative ack.)1258555U
    0262216SYN (synchronous idle)1268656V
    0272317ETB (end of trans. blk)1278757W
    0302418CAN (cancel)1308858X
    0312519EM (end of medium)1318959Y
    032261ASUB (substitute)132905AZ
    033271BESC (escape)133915B[
    034281CFS (file separator)134925C\ aq\\aq
    035291DGS (group separator)135935D]
    036301ERS (record separator)136945E^
    037311FUS (unit separator)137955F_
    0403220SPACE1409660`
    0413321!1419761a
    0423422"1429862b
    0433523#1439963c
    0443624$14410064d
    0453725%14510165e
    0463826&14610266f
    0473927'14710367g
    0504028(15010468h
    0514129)15110569i
    052422A*1521066Aj
    053432B+1531076Bk
    054442C,1541086Cl
    055452D-1551096Dm
    056462E.1561106En
    057472F/1571116Fo
    0604830016011270p
    0614931116111371q
    0625032216211472r
    0635133316311573s
    0645234416411674t
    0655335516511775u
    0665436616611876v
    0675537716711977w
    0705638817012078x
    0715739917112179y
    072583A:1721227Az
    073593B;1731237B{
    074603C<1741247C|
    075613D= 1751257D}
    076623E>1761267E~
    077633F?1771277FDEL
     

    Tables

    For convenience, let us give more compact tables in hex and decimal.

       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  \  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 \ l |
    D: - = M ] m }
    E: . > N ^ n ~
    F: / ? O _ o DEL
    
     

    NOTES

     

    History

    An ascii manual page appeared in Version 7 of AT&T UNIX.

    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.

    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.

    The ASCII standard was published by the United States of America Standards Institute (USASI) in 1968.  

    SEE ALSO

    iso_8859-1(7), iso_8859-15(7), iso_8859-16(7), iso_8859-2(7), iso_8859-7(7), iso_8859-9(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    DESCRIPTION
    Tables
    NOTES
    History
    SEE ALSO
    COLOPHON


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