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SUM(1)									SUM(1)

NAME
       sum - sum and count blocks in a file

SYNOPSIS
       sum file

DESCRIPTION
       Sum  calculates	and  prints  a 16-bit checksum for the named file, and
       also prints the number of blocks in the file.  It is typically used  to
       look  for  bad  spots,  or  to  validate	 a file communicated over some
       transmission line.

SEE ALSO
       wc(1)

DIAGNOSTICS
       `Read error' is indistinguishable from end of  file  on	most  devices;
       check the block count.

7th Edition			April 29, 1985				SUM(1)

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