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Switcher Hangout The place for switchers to discuss their new machines, and how to work with OS X. General support can be had here for newbie stuff, like "How do I restart my new iMac?" :)

Is my mac x32 or x64?


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erikfig

 
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Hey guys,

I know this is really stupid but... I need to do some analysis on my home network and need to download "Wireshark" I don't know if my platform is x32 or x64. I don't see anything in "About this mac" section. Can someone let me know?
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Macbook Pro 2011 13.3,OS X Lion 10.7.3, Intel Core Duo i5, 8GB DDR3 Ram, Intel HD Graphics 3000 384 MB. Iphone 4 16GB.

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64bit. Note though that you can use both 32 and 64bit software.

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Quote:
Originally Posted by vansmith View Post
64bit. Note though that you can use both 32 and 64bit software.
Thank you sir!

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ImageJPEG

 
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Or you could have typed "uname -a" in the terminal.

Sorry, my Linux side it showing
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uname won't be entirely accurate. For instance, uname -p reports "i386" for me but I have a Core 2 Duo. What you actually want is the following:
Code:
sysctl hw.cpu64bit_capable
A value of 0 means you're not 64bit capable, a value of 1 means you are.

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If you type uname -a it outputs "...x86_x64"
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On your machine but it doesn't on my 64bit machine. That's my point - uname doesn't really tell you if you have a 64bit processor.

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True, I suppose I didn't think things through clearly :/

Haha
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The whole 64 bit verses 32 bit conundrum is much less of a concern for mac users, but rest assured, you are using a 64 bit CPU on a 64 bit OS.

If you want some background read this

Road to Mac OS X Snow Leopard: 64-bit to the Kernel

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Or you could just pull up Activity Monitor and it will show you everything running in 64bit.


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