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RedHat 9 (Linux i386) - man page for sha1sum (redhat section 1)

SHASUM(1)				       FSF					SHASUM(1)

NAME
       shasum - compute and check SHA1 message digest

SYNOPSIS
       sha1sum [OPTION] [FILE]...
       sha1sum [OPTION] --check [FILE]

DESCRIPTION
       Print  or  check SHA1 (160-bit) checksums.  With no FILE, or when FILE is -, read standard
       input.

       -b, --binary
	      read files in binary mode (default on DOS/Windows)

       -c, --check
	      check SHA1 sums against given list

       -t, --text
	      read files in text mode (default)

   The following two options are useful only when verifying checksums:
       --status
	      don't output anything, status code shows success

       -w, --warn
	      warn about improperly formated checksum lines

       --help display this help and exit

       --version
	      output version information and exit

       The sums are computed as described in FIPS-180-1.  When checking, the input  should  be	a
       former output of this program.  The default mode is to print a line with checksum, a char-
       acter indicating type (`*' for binary, ` ' for text), and name for each FILE.

AUTHOR
       Written by Ulrich Drepper and Scott Miller.

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

COPYRIGHT
       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO  warranty;  not
       even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO
       The full documentation for shasum is maintained as a Texinfo manual.  If the info and sha-
       sum programs are properly installed at your site, the command

	      info shasum

       should give you access to the complete manual.

shasum (coreutils) 4.5.3		  February 2003 				SHASUM(1)


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