Fw: Re: Create files with specific sizes?

Fw: Re: Create files with specific sizes?

[Peter Garrett]

Begin forwarded message:

Date: Tue, 14 Dec 2004 10:41:19 +0100
From: SVisor <svisor@lycos.com>
To: linux-newbie@vger.kernel.org
Subject: Re: Create files with specific sizes?


I have a follow up question.

...
>>is there any way (some command) that will allow me to 
>>create blank files with specific sizes, eg 1MB, 5MB, 10MB etc.
...
> dd if=/dev/zero of=file1 bs=1k count=1024

I wanted a file of garbage, not zeroes.
So I tried: dd if=/dev/random of=file bs=1k count=1024

But to my suprise I got only a ~4k file. I know that dev/random may run 
out of values. But should dd not wait until there are enought of data?

// Jarmo

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