1SUM(1)                      General Commands Manual                     SUM(1)
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NAME

6       sum - sum and count blocks in a file
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SYNOPSIS

9       sum file
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DESCRIPTION

12       Sum  calculates  and  prints  a 16-bit checksum for the named file, and
13       also prints the number of blocks in the file.  It is typically used  to
14       look for bad spots, or to validate a file communicated over some trans‐
15       mission line.
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SEE ALSO

18       wc(1)
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DIAGNOSTICS

21       `Read error' is indistinguishable from end of  file  on  most  devices;
22       check the block count.
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267th Edition                     April 29, 1985                          SUM(1)
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