![]() If you start up from a different disk, the setting on that disk, or the hardware default, will take effect. Note: This setting is stored in the /Library/Preferences/SystemConfiguration/ file and will take effect every time you start up from this disk. Sudo systemsetup -setkernelbootarchitecture i386 Yes indeed one could install Linux, but please note that for those who love Apple OS and have or can download a Lion OS disk, dont even think about Safari, use a safe, updated web-browser. ![]() It runs on any Mac with a 64-bit Intel processor or an Apple Silicon chip. To select the 32-bit kernel for the current startup disk, use the following command in Terminal: VLC media player requires Mac OS X 10.7.5 or later. Sudo systemsetup -setkernelbootarchitecture x86_64 To select the 64-bit kernel for the current startup disk, use the following command in Terminal: ![]() Your Mac will revert to the default kernel the next time you reboot it. ![]() If your Mac uses the 64-bit kernel by default, you can start up with the 32-bit kernel by holding the 3 and 2 keys during startup. ![]() If your Mac uses the 32-bit kernel by default, but supports the 64-bit kernel, you can start up using the 64-bit kernel by holding the 6 and 4 keys during startup. 32bit mode lets you also execute 64bit apps. Lion still has both kernels, so yes you can run in 32 or 64bit mode. ![]()
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