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sha256sum (1)
  • >> sha256sum (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    NAME

    sha256sum - compute and check SHA256 message digest
     
    

    SYNOPSIS

    sha256sum [OPTION] [FILE]...  

    DESCRIPTION

    Print or check SHA256 (256-bit) checksums. With no FILE, or when FILE is -, read standard input.

    -b, --binary
    read in binary mode
    -c, --check
    read SHA256 sums from the FILEs and check them
    -t, --text
    read in text mode (default)
     

    The following two options are useful only when verifying checksums:

    --status
    don't output anything, status code shows success
    -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 FIPS-180-2. When checking, the input should be a former output of this program. The default mode is to print a line with checksum, a character indicating type (`*' for binary, ` ' for text), and name for each FILE.  

    AUTHOR

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

    REPORTING BUGS

    Report bugs to <[email protected]>.  

    COPYRIGHT

    Copyright © 2006 Free Software Foundation, Inc.
    This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.  

    SEE ALSO

    The full documentation for sha256sum is maintained as a Texinfo manual. If the info and sha256sum programs are properly installed at your site, the command
    info sha256sum

    should give you access to the complete manual.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    The following two options are useful only when verifying checksums:
    AUTHOR
    REPORTING BUGS
    COPYRIGHT
    SEE ALSO


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