Help - Adding size to a document? More security

Manuel Gomez mgdpz1 at
Sun Nov 23 16:31:22 UTC 2008

Thank you very much, but it says:

vrp:/home/bd# dd if=/dev/zero size=4k count=256M >> /home/bd/odb.odb
dd: unrecognized operand «size»=«4k»
Pruebe `dd --help' para más información.

El dom, 23-11-2008 a las 16:55 +0100, Loïc Grenié escribió:
> 2008/11/23 Manuel Gomez <mgdpz1 at>
>         Hi, i would like to add more size to a document to avoid
>         hackers. If the
>         size is too big, troyans won't download the archive (it would
>         take days
>         and days...)
>         How could i do this? I am using "SFX compiler" for join an
>         archive (3
>         gb, for example) with my documents, but i would like to know
>         how its
>         done.
>         I need: Open the document (for example, dbs in openoffice) in
>         Linux, and
>         more than 1 gb of size.
>         Thank you very much, I appreciate your help.
>     I'm not sure I understand your question. If you just wish to add
> 1Gb of
>   data to the file with name "filename" what you can do is:
> dd if=/dev/zero size=4k count=256M >> filename
>   This will add 1Gb of zeroes to your file.
>         Hope this helps,
>           Loïc

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