Determining Whether Your Mac is Running a 32- or 64-bit Operating System (OS)

Kevin Herrholtz -

  1. Open Finder.
  2. Click Applications.
  3. Double-click the Utilities folder.
  4. Double-click Terminal.
  5. Enter uname -a and press Enter/Return.
    NOTE

    There is a space between 'e' and '-.' There is no space between '-' and 'a.'

    • If the Mac is running a 32-bit OS, the following is displayed: Darwin iMac.local 10.0.0 Darwin Kernel Version 10.0.0: Fri Jul 31 22:47:34 PDT 2009; root:xnu-1456.1.25~1/RELEASE_I386 i386
    • If the Mac is running a 64-bit OS, the following is displayed: Darwin iMac.local 10.0.0 Darwin Kernel Version 10.0.0: Fri Jul 31 22:47:34 PDT 2009; root:xnu-1456.1.25~1/RELEASE_X86_64 x86_64
Have more questions? Submit a request

0 Comments

Please sign in to leave a comment.
Powered by Zendesk