2015-01-17 22:46:12 +00:00
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.Dd January 17, 2015
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2015-01-31 13:20:02 +00:00
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.Dt CKSUM 1
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2015-01-30 20:17:58 +00:00
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.Os
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2015-01-17 22:38:38 +00:00
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.Sh NAME
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.Nm cksum
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.Nd compute file checksum
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.Sh SYNOPSIS
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2015-01-30 20:17:58 +00:00
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.Nm
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2015-01-17 22:38:38 +00:00
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.Op Ar file ...
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.Sh DESCRIPTION
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.Nm
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calculates a cyclic redundancy check (CRC) of
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.Ar file
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according to
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.St -iso8802-3
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and writes it, the file size in bytes and path to stdout.
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.Pp
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If no
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.Ar file
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is given,
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.Nm
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reads from stdin.
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2008
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specification.
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