Mac startup shortcuts

Because I keep forgetting them, here’s a list of buttons you can press during a Mac’s boot to change behaviour:

KeyAction
Cboot from CD or DVD
NAttempt to start up from a network server (NetBoot)
Tstart up in FireWire target disk mode
Xforce Mac OS X startup
Shiftboot into safe mode
Mouse buttoneject CD before booting normally
Command-Sboot into single user mode
Command-Vverbose boot
Optionchoose startup disk at boot time
Option-Command-Shift-DeleteBypass primary startup volume and seek a different startup volume (such as a CD or external disk)

See also Apple article HT1343

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