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2answers
491 views

Hardware to install 64-bit OS

If I search on Internet for minimum requirements to install a 64-bit operating system, Microsoft and allied forums recommend 4 GB RAM as the minimum criteria. On the other hand, when I look at Linux ...
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2answers
4k views

What is the difference between 32-bit PAE and 64-bit kernels?

I ask this only in regards to memory addressing. I know that a PAE kernel allows the OS to access more memory than a standard 32-bit kernel, however, what are the other implications? What specific ...
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1answer
2k views

Differences between Debian bigmem and amd64 kernels

Debian 6 has multiple Linux kernel packages, and I'm interested in two of them: linux-image-2.6.32-5-686-bigmem linux-image-2.6.32-5-amd64 Consider that: I'm not going to be running any ...
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1answer
1k views

What's the difference between 32 and 64 bit linux?

What exactly are the implications? Can a 32 bit linux run applications that are compiled as 64 bit? Or vice versa? I just got a new machine with an i5 processor, I installed a copy of Ubuntu 10.10 ...
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2answers
2k views

OpenBSD: 32 bit or 64 bit

I would like to use the 64 bit version of OpenBSD, but I'm not really sure how good it works. Are there any known problems? Is the 32 bit version more recommended for productive environment?
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3answers
2k views

How come I installed Ubuntu 64 bit on a Pentium 4 machine?

I have just tried booting the Ubuntu 10.10 64 bit live USB on this machine and to my amazement everything works fine. I even installed the system, after which I checked with uname -a and the result is ...
3
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2answers
409 views

Linux distro installation on 64 bit processor

I am trying to install Ubuntu/Fedora 64 bit versions on my machine and they shout back saying my CPU does not support x86_64 bit architecture and forces me to use i686 versions. I am currently ...
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4answers
782 views

How was the shift to 64 bits handled on Linux

How was the transition to 64 bits handled on Linux/Unix? The Windows world still seems to have issues with it and I'm curious how it was handled in the *nix world.