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Use Terminal to Set Startup Disk

Use Terminal to check and set startup disk

You can change a startup disk using the systemsetup command...
List available startup disks: sudo systemsetup -liststartupdisks
Show current startup disk: sudo systemsetup -getstartupdisk
Set the startup disk: sudo systemsetup -setstartupdisk PATH

Where PATH is a startup disk.
Remember to use \ to escape spaces in names.




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