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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: questions@freebsd.org
Subject: Re: multi-platform dump and restore?
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>    dump core? [yn] n
>    # uname -a
>    OpenBSD dev.example.com 4.2 GENERIC#375 i386
>
> How did you guess?
>
actually second was a guess. first was natural, as amd64 and i386 are both 
little endian, int&long are same sized under gcc, and memory pointers are 
not stored in dump files.

second - because dump was never intended to be portable, nobody cares 
about it.