To turn on Verbose booting, at the Terminal type the following: sudo nvram boot-args="-v" Disabling Verbose booting is just as easy: sudo nvram boot-args= If you're curious what the current firmware NVRAM settings are, type the following: nvram… more »

Enabling and disabling Mac OS X’s downloaded warning Mac OS X 10.5 and later, by default, feels the need to warn you of applications downloaded from the Internet. This is a good thing for novice users, not so much for those with a bit more experie… more »