Keyboard Shortcuts

• Bypass the startup disk and boot from another volume
• Extension Manager
• Close Finder windows
• Disable All Extensions
• Disable Startup Items
• Disable Virtual Memory
• Force a Reboot
• Force Quit an application
• Start Up from a Bootable CD
• Rebuild Desktop
• Zap the PRAM
• Screen Shots

Bypass the startup disk and boot from another volume
On reboot, hold down all of these keys at the same time:
Command + Option + Shift + Delete

Extension Manager
Bring up Extension Manager at startup by holding down the Space Bar.

Close Finder windows
While starting up, hold down the Option key.

Disable All Extensions
Hold down the Shift key during startup.

Disable Startup Items
Hold down the Shift key after Extensions have loaded and as your Desktop appears

Disable Virtual Memory
Hold down the Command key on startup.

Force a Reboot
Hold down the Command + Control + Power-on keys. Always rebuild the desktop after a forced reboot.

Force Quit an application
Hold down the Command + Option + Esc keys. Always restart the computer and rebuild the desktop after a forced quit.

Start Up from a Bootable CD
Hold down the letter c key upon reboot.

Rebuild Desktop
Hold down the Command + Option keys during startup, until the Desktop appears.

Zap the PRAM
Hold down the Command + Option + P + R keys during the restart sequence. Let the computer "bong" four times before lifting the keys. Be sure to check Appletalk and Date and Time Control panels.

Screen Shots
Create a picture of a portion of your screen to clipboard:
Command + Control + Shift + 4

Create a picture of a portion of your screen to disk:
Command + Shift + 4

Screen shot to clipboard:
Command + Control + Shift + 3

Screen shot to disk:
Command + Shift + 3