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Technically, the x86 indicates the architecture, the 64 indicates the
instruction set width. So x86_64 is a 64 bit chip, and the x86_32 is a
32 bit chip. Obviously, when apps (like LO) are marked as x86_64, they
mean that it is intended for a 64 bit OS running on a 64 bit chip, as
opposed to a 32 bit OS running on a 32 bit (if any still exist that are
modern enough to be supported) or 64 bit chip. It does (should) not
indicate a 32 bit app capable of running on a 64 bit OS, simple an app
(32 or 64 bit) capable of running on a 64 bit OS. It would, infact,
_suggest_ a 64 bit app, or at least that *something* had been done to
differentiate it from the 32 bit version, otherwise why the distinction.

Just, you know, FYI.... er... sorry... to bother anyone...



On Fri, 26 Jul 2013 19:46:16 +0200
Andrew Brown <> wrote:

This is a structure from the devs in a file naming convention, 
indicating its a 32bit app (x86_), that can be installed on a 64bit 
operating system (_64), not necessarily a 64bit app. And in the case
of LO, it's definitely not yet a 64bit app. They still have to code
32bit apps to be functional on 64bit O/S's, unlike a naitve 32bit app
for a 32bit O/S.

Hope this explains it better.


Andrew Brown

On 26/07/2013 06:56 PM, James Knott wrote:
Andrew Brown wrote:

Umm!!! factually no, LO is still 32bit on Linux

Then why is there an x86_64 version, when the 32 bit version should 
also work well?

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