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OD(1)                                     User Commands                                     OD(1)



NAME
       od - dump files in octal and other formats

SYNOPSIS
       od [OPTION]... [FILE]...
       od [-abcdfilosx]... [FILE] [[+]OFFSET[.][b]]
       od --traditional [OPTION]... [FILE] [[+]OFFSET[.][b] [+][LABEL][.][b]]

DESCRIPTION
       Write  an  unambiguous representation, octal bytes by default, of FILE to standard output.
       With more than one FILE argument, concatenate them in the listed order to form the  input.
       With no FILE, or when FILE is -, read standard input.

       If  first and second call formats both apply, the second format is assumed if the last op-
       erand begins with + or (if there are 2 operands) a digit.  An OFFSET operand means -j OFF-
       SET.   LABEL  is  the  pseudo-address at first byte printed, incremented when dump is pro-
       gressing.  For OFFSET and LABEL, a 0x or 0X prefix indicates hexadecimal; suffixes may  be
       . for octal and b for multiply by 512.

       Mandatory arguments to long options are mandatory for short options too.

       -A, --address-radix=RADIX
              output format for file offsets.  RADIX is one of [doxn], for Decimal, Octal, Hex or
              None

       -j, --skip-bytes=BYTES
              skip BYTES input bytes first

       -N, --read-bytes=BYTES
              limit dump to BYTES input bytes

       -S BYTES, --strings[=BYTES]
              output strings of at least BYTES graphic chars.  3 is implied  when  BYTES  is  not
              specified

       -t, --format=TYPE
              select output format or formats

       -v, --output-duplicates
              do not use * to mark line suppression

       -w[BYTES], --width[=BYTES]
              output BYTES bytes per output line.  32 is implied when BYTES is not specified

       --traditional
              accept arguments in third form above

       --help display this help and exit

       --version
              output version information and exit

   Traditional format specifications may be intermixed; they accumulate:
       -a     same as -t a,  select named characters, ignoring high-order bit

       -b     same as -t o1, select octal bytes

       -c     same as -t c,  select ASCII characters or backslash escapes

       -d     same as -t u2, select unsigned decimal 2-byte units

       -f     same as -t fF, select floats

       -i     same as -t dI, select decimal ints

       -l     same as -t dL, select decimal longs

       -o     same as -t o2, select octal 2-byte units

       -s     same as -t d2, select decimal 2-byte units

       -x     same as -t x2, select hexadecimal 2-byte units

   TYPE is made up of one or more of these specifications:
       a      named character, ignoring high-order bit

       c      ASCII character or backslash escape

       d[SIZE]
              signed decimal, SIZE bytes per integer

       f[SIZE]
              floating point, SIZE bytes per integer

       o[SIZE]
              octal, SIZE bytes per integer

       u[SIZE]
              unsigned decimal, SIZE bytes per integer

       x[SIZE]
              hexadecimal, SIZE bytes per integer

       SIZE  is  a  number.   For  TYPE  in  [doux],  SIZE  may also be C for sizeof(char), S for
       sizeof(short), I for sizeof(int) or L for sizeof(long).  If TYPE is f, SIZE may also be  F
       for sizeof(float), D for sizeof(double) or L for sizeof(long double).

       Adding  a  z  suffix  to  any type displays printable characters at the end of each output
       line.

   BYTES is hex with 0x or 0X prefix, and may have a multiplier suffix:
       b      512

       KB     1000

       K      1024

       MB     1000*1000

       M      1024*1024

       and so on for G, T, P, E, Z, Y.

EXAMPLES
       od -A x -t x1z -v
              Display hexdump format output

       od -A o -t oS -w16
              The default output format used by od

AUTHOR
       Written by Jim Meyering.

REPORTING BUGS
       Report od bugs to bug-coreutils AT gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report od translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+: GNU GPL  version  3  or
       later <http://gnu.org/licenses/gpl.html>.
       This  is free software: you are free to change and redistribute it.  There is NO WARRANTY,
       to the extent permitted by law.

SEE ALSO
       The full documentation for od is maintained as a Texinfo manual.  If the info and od  pro-
       grams are properly installed at your site, the command

              info coreutils 'od invocation'

       should give you access to the complete manual.



GNU coreutils 8.21                          March 2016                                      OD(1)

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