


SUM(1L)							SUM(1L)


NNAAMMEE
       cksum - checksum and count the bytes in a file

SSYYNNOOPPSSIISS
       cckkssuumm [--help] [--version] [file...]

DDEESSCCRRIIPPTTIIOONN
       This  manual  page  documents  the  GNU	version of cckkssuumm.
       cckkssuumm computes a cyclic redundancy check	(CRC)	for  each
       named  file,  or	the  standard input if none are given or
       when a file named `-' is given.	It  prints  the	CRC  for
       each  file along with the number of bytes in the file, and
       the file name unless no arguments were given.

       cckkssuumm is typically used to make sure that files have  been
       transferred by unreliable means (such as netnews) have not
       been corrupted, by comparing  the  cckkssuumm	output	for  the
       received	files	with  the  cckkssuumm  output for the original
       files.  The CRC algorithm  is  specified	by  the  POSIX.2
       standard.   It  is not compatible with the BSD or System V
       ssuumm programs; it is more robust.

       _-_-_h_e_l_p Print a usage message and exit with a non-zero sta-
	      tus.

       _-_-_v_e_r_s_i_o_n
	      Print  version  information  on standard error then
	      exit.





























FSF			GNU Text Utilities			1


