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Check if your Mac is 64 bit Compatible via Command Line

September 23rd, 2009 - 10.6, Command Line

While geeking around I discovered another way to check if your Mac is 64 bit compatible by using the command line. Launch terminal and type “sysctl hw |grep 64bit”

Here’s me using the command on my MacBook which does not have a 64 bit processor:
$ sysctl hw |grep 64bit
hw.cpu64bit_capable: 0

on my friends newer MacBook Pro his results were:
$ sysctl hw |grep 64bit
hw.cpu64bit_capable: 1

meaning it is a 64 bit processor.

Posted by: William Pearson

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Comments:

Comments: 3

Comment from m4rr
Time: September 30, 2009, 3:09 pm

Thanks! It’s a useful note.
My Macbook is return result hw.cpu64bit_capable: 1. Nice :-) .

Pingback from Check if your Mac is 64 bit | Everything is Gray
Time: October 8, 2009, 2:52 pm

[...] Tip source: OSXDaily.com [...]

Comment from Charlie
Time: December 1, 2009, 3:04 pm

This only indicates whether your Mac is capable of running 64-bit applications. It says nothing about whether you can run Snow Leopard’s 64-bit kernel.

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September 23rd, 2009