Post-install Debian configuration specific for ?MacBooks. It's always good to start from a clean, backed-up and up-to-date install of OS X. You can find the version of a MacBook in the 'About this Mac' menu in OSX, or dmidecode output from Linux. There are several different models with different internal hardwares.
MacBook is a series of laptop PCs sold by Apple Inc. CPU frequency scaling in kernel (customization).CPU frequency scaling in kernel (basics).