Date: Thu, 12 Feb 2009 23:51:54 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Tim Judd <tajudd@gmail.com> Cc: Gary Kline <kline@thought.org>, Polytropon <freebsd@edvax.de>, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: How-to erase a DVD-RW Message-ID: <20090212235111.D97916@wojtek.tensor.gdynia.pl> In-Reply-To: <4994919E.3000803@gmail.com> References: <1234423939.27702.4.camel@ethos> <20090212101453.I81232@wojtek.tensor.gdynia.pl> <20090212105424.a710de5e.freebsd@edvax.de> <20090212141444.W81609@wojtek.tensor.gdynia.pl> <4994919E.3000803@gmail.com>
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>> which is exactly what i suggested - writing 0 byte disc > > > that writes binary 0, the ASCII "NUL" character. /dev/zero is NOT a > zero-size file. yes it is [wojtek@wojtek ~/NOBACKUP]$ dd if=/dev/null of=/dev/null bs=1 0+0 records in 0+0 records out 0 bytes transferred in 0.000037 secs (0 bytes/sec) /dev/null simply gives EOF when trying to read
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