Is your Mac’s kernel running at 32 (instead of 64)-bit?

This was worth a reblog because of a 4th way to check, and two good sources from Apple on the matter:

systemsetup -getkernelbootarchitecturesetting

Will tell you if it’s been modified from the default setting, which is still 32-bit for everything except two models of mac, the 2010MacPros and the Early2011MacBook Pro’s(aka thunderhole).  References:

Mac OS X v10.6: Macs that use the 64-bit kernel

Mac OS X v10.6: Starting up with the 32-bit or 64-bit kernel

hlpme:

UPDATED Jan 20

…..well then you better go catch it.  Groan.

Three ways to check :

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1. aru-b reblogged this from aru-b and added:

   This was worth a reblog because of a 4th way...two good sources

2. caterpillarcowboy reblogged this from kylewritescode and added:

   I think you want this, because otherwise all of the non-64bit apps you have won’t work. I’m not a Mac expert, but I...

3. kylewritescode reblogged this from aru-b
4. aru-b posted this