@(#)sum.1 4.1 (Berkeley) 04/29/85
SUM 1
.AT 3
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 indistinuishable from end of file on
most devices; check the block count.