


SUM(1L)							SUM(1L)


NNAAMMEE
       sum - checksum and count the blocks in a file

SSYYNNOOPPSSIISS
       ssuumm [-rs] [--sysv] [--help] [--version] [file...]

DDEESSCCRRIIPPTTIIOONN
       This  manual  page  documents the GNU version of ssuumm.  ssuumm
       computes a 16-bit checksum for each  named  file,  or  the
       standard	input if none are given or when a file named `-'
       is given.  It prints the checksum for each file along with
       the number of blocks in the file (rounded up).  By default
       each corresponding file name is also printed if	at  least
       two arguments are specified.  With the _-_-_s_y_s_v option, cor-
       responding file name are printed when there  is	at  least
       one  file  argument.   By  default,  the	GNU ssuumm computes
       checksums using an algorithm that is compatible	with  the
       BSD ssuumm and prints file sizes in units of 1K blocks.

   OOPPTTIIOONNSS
       _-_r     Use  the	default (BSD compatible) algorithm.  This
	      option is included for compatibility with the  Sys-
	      tem V ssuumm.  Unless the _-_s option was also given, it
	      has no effect.

       _-_s_, _-_-_s_y_s_v
	      Compute checksums using an algorithm that	is  com-
	      patible  with  the  one  the  System  V ssuumm uses by
	      default and print file sizes in units  of	512-byte
	      blocks instead of 1K.

       _-_-_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


