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 trans-
mission line.
SEE ALSO
wc(1)
DIAGNOSTICS
`Read error' is indistinuishable from end of file on most devices;
check the block count.
SUM(1)
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