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SHA224SUM(1)                              User Commands                              SHA224SUM(1)

NAME
       sha224sum - compute and check SHA224 message digest

SYNOPSIS
       sha224sum [OPTION]... [FILE]...

DESCRIPTION
       Print or check SHA224 (224-bit) checksums.

       With no FILE, or when FILE is -, read standard input.

       -b, --binary
              read in binary mode

       -c, --check
              read SHA224 sums from the FILEs and check them

       --tag  create a BSD-style checksum

       -t, --text
              read in text mode (default)

   The following five options are useful only when verifying checksums:
       --ignore-missing
              don't fail or report status for missing files

       --quiet
              don't print OK for each successfully verified file

       --status
              don't output anything, status code shows success

       --strict
              exit non-zero for improperly formatted checksum lines

       -w, --warn
              warn about improperly formatted checksum lines

       --help display this help and exit

       --version
              output version information and exit

       The sums are computed as described in RFC 3874.  When checking, the input should be a for‐
       mer output of this program.  The default mode is to print a line with checksum, a space, a
       character indicating input mode ('*' for binary, ' ' for text or where binary is insignif‐
       icant), and name for each FILE.

AUTHOR
       Written by Ulrich Drepper, Scott Miller, and David Madore.

REPORTING BUGS
       GNU coreutils online help: 
       Report sha224sum translation bugs to 

COPYRIGHT
       Copyright © 2016 Free Software Foundation, Inc.  License GPLv3+:  GNU  GPL  version  3  or
       later .
       This  is free software: you are free to change and redistribute it.  There is NO WARRANTY,
       to the extent permitted by law.

SEE ALSO
       Full documentation at: 
       or available locally via: info '(coreutils) sha2 utilities'

GNU coreutils 8.25                        February 2016                              SHA224SUM(1)

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