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 ALSOwc(1)DIAGNOSTICS
`Read error' is indistinguishable from end of file on most devices;
check the block count.
7th Edition April 29, 1985 SUM(1)