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SUM(1)                           User Commands                          SUM(1)

       sum - checksum and count the blocks in a file

       sum [OPTION]... [FILE]...

       Print checksum and block counts for each FILE.

       -r     use BSD sum algorithm, use 1K blocks

       -s, --sysv
              use System V sum algorithm, use 512 bytes blocks

       --help display this help and exit

              output version information and exit

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

       Written by Kayvan Aghaiepour and David MacKenzie.

       Report sum bugs to
       GNU coreutils home page: <>;
       General help using GNU software: <>;
       Report sum translation bugs to <>;

       Copyright   (C)   2010   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 permit-
       ted by law.

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

              info coreutils 'sum invocation'

       should give you access to the complete manual.

GNU coreutils 8.4                 March 2017                            SUM(1)