State of the 64bit?

Karl Larsen klarsen1 at
Tue Oct 19 12:45:20 UTC 2010

On 10/19/2010 06:38 AM, Christopher Chan wrote:
> Tom Browder wrote:
>> On Tue, Oct 19, 2010 at 01:21, Christopher Chan
>> <christopher.chan at>  wrote:
>>> Running 64-bit mode has nothing to do with supported file size. File
>>> size/file system size has been separate from running code/mode bitness
>>> for a long time.
>> True, but I believe, at least at one time on Linux distros, the user
>> had to do something to get that support turned on.
> Nope, user (as in desktop user) had nothinh to do but system
> admin/programmer did but that still had nothing to do with whether the
> kernel was in 32-bit mode or not because large file support came before
> AMD unveiled the Hammer and most people were happily using large file
> support already by the time AMD released the Hammer.
> Large file support had to be enabled in the kernel and then programs
> wanting large file support had to explicitly have it turned on during
> compilation. Again, nothing to do with the kernel being 32-bit or
> 64-bit. Been there, done that.
         I think the CPU must be capable of 64 bit words before anything 
else works. I have this computer and my laptop using 64 bit because both 
CPU's support it. I was successful loading Ubuntu 10.04 64 bit software. 
There were zero issues.

73 Karl


	Karl F. Larsen, AKA K5DI
	Linux User
         Key ID = 3951B48D

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