======Shortcut keys======
[[http://support.apple.com/kb/HT1343|Apple Support - Mac OS X keyboard shortcuts]] \\

[[https://support.apple.com/en-us/HT201255|Apple Support - Mac startup key combinations]] \\

Equivalent to Apple keys on a Windows keyboard:
^Apple^Windows^
|Command|Windows|
|Option|Alt|

=====Boot from optical drive=====

Boot the machine while holding down the 'c' button.


=====Boot to select menu for bootable drives=====

Boot the machine while holding down the Option button.


=====Eject the optical drive=====

Press and hold the F12 key while booting. \\
Press and hold the left mouse button while booting.

Source: [[https://www.iclarified.com/20388/how-to-eject-a-cd-from-your-mac-using-a-pc-keyboard-or-usb-mouse|iClarified - How to Eject a CD From Your Mac Using a PC Keyboard or USB Mouse]] 


=====Reset the PRAM=====
Boot the machine while holding Command+Option+P+R, wait until you hear the chimes a second time before letting go. \\
[[http://support.apple.com/kb/HT1379?viewlocale=en_US|Apple Support - Resetting your Mac's PRAM and NVRAM]] \\
=====Boot to Open Firmware=====
Boot the machine while holding down Command+Option+O+F.