Unknown option: "-1" Unix manual page for cmp. (host=minya system=Darwin)
CMP(1)                           User Commands                          CMP(1)

NAME
       cmp - compare two files byte by byte

SYNOPSIS
       cmp [OPTION]... FILE1 [FILE2 [SKIP1 [SKIP2]]]

DESCRIPTION
       Compare two files byte by byte.

       -b --print-bytes
              Print differing bytes.

       -i SKIP  --ignore-initial=SKIP
              Skip the first SKIP bytes of input.

       -i SKIP1:SKIP2  --ignore-initial=SKIP1:SKIP2

              Skip the first SKIP1 bytes of FILE1 and the first SKIP2 bytes of
              FILE2.

       -l --verbose
              Output byte numbers and values of all differing bytes.

       -n LIMIT  --bytes=LIMIT
              Compare at most LIMIT bytes.

       -s --quiet --silent
              Output nothing; yield exit status only.

       -v --version
              Output version info.

       --help Output this help.

       SKIP1 and SKIP2 are the number of bytes to skip  in  each  file.   SKIP
       values  may  be  followed  by the following multiplicative suffixes: kB
       1000,  K  1024,  MB  1,000,000,  M  1,048,576,  GB   1,000,000,000,   G
       1,073,741,824, and so on for T, P, E, Z, Y.

       If a FILE is `-' or missing, read standard input.

AUTHOR
       Written by Torbjorn Granlund and David MacKenzie.

REPORTING BUGS
       Report bugs to <bug-gnu-utils@gnu.org>.

COPYRIGHT
       Copyright (C) 2002 Free Software Foundation, Inc.

       This  program  comes  with NO WARRANTY, to the extent permitted by law.
       You may redistribute copies of this program under the terms of the  GNU
       General  Public License.  For more information about these matters, see
       the file named COPYING.

SEE ALSO
       The full documentation for cmp is maintained as a Texinfo  manual.   If
       the info and cmp programs are properly installed at your site, the com-
       mand

              info diff

       should give you access to the complete manual.

diffutils 2.8.1                   April 2002                            CMP(1)