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Jettison automatically ejects external disks from your Mac before your computer goes to sleep.

Simplify those last few seconds when you grab your MacBook and run out the door. Just close the lid and Jettison will automatically eject your backup drive, iPod, or whatever is connected so you can safely unplug it. Say goodbye to "disk was not ejected properly" errors and waking your computer back up because you forgot to eject everything.

Jettison even makes sure that Time Machine backups and file server volumes are properly shut down before they're removed. Your backups and shared files are safe and

What's New in Jettison

Version 1.7:

Note: Ready for macOS 10.14 Mojave

  • A single menu command will mount all unmounted disks
  • You can turn Notification Center notifications on and off in your Jettison preferences
  • Jettison's AppleScript commands will now eject and remount all disks if you don't specify one
  • Improved the handling of disk images that

Requirements for Jettison

  • OS X 10.7 or later
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Jettison User Discussion

4.4 15
Current Version (1.x)
Downloads 18,437
Version Downloads 123
License Shareware
Date 24 Sep 2018
Platform Intel 64 / OS X
Price $4.95
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