These tips come courtesy of my assistant editor Monty Bass. We implemented them on our post-production Macs to save a few CPU cycles and remove extraneous application prompting.
From a Terminal prompt, enter the following commands followed by [Enter]:
defaults write com.apple.dashboard mcx-disabled -boolean YES killall Dock
Disable Time Machine Prompts
From a Terminal prompt, enter the following command followed by [Enter]:
defaults write com.apple.TimeMachine DoNotOfferNewDisksForBackup -boolean YES
Disable Spotlight Indexing
Open System Preferences then click Spotlight.
Select the Privacy tab and add every internal and external disk volume you don’t want to index. You will need to mount them first.