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SubjectRe: BUG in 2.4.0: dd if=/dev/random of=out.txt bs=10000 count=100
On Fri, Jan 12, 2001 at 07:53:14PM -0800, Rob Landley wrote:
> If I do the dd line in the title under 2.4.0 I get an
> out.txt file of 591 bytes.
And it's the same under 2.2.x, too.

> dd says it completes happily even when copying from
> random. 0+100 records in, 0+100 records out. It
It's not a fault of dd, or of the read() system call, either. It's just the way
/dev/random works - you can't read more bytes than those available in the
entropy pool. And if you try, you'll just fail with no error.

Cheers,
David
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