Safe Boot -> Disk Space

I would like to inform you that macOS’s Safe Boot (hold down the Shift key on startup until you see a login prompt) can clear nearly 20 GB of logs and caches and is a great way to get yourself out of those “no space left on device” situations where you can’t even use rm to free up space (yes, that’s a thing).

It took a huge chunk out of my “System” disk usage1.

1 You can go further and run OmniDiskSweeper as root using sudo /Applications/, replacing “/Applications/” with wherever the app is located.

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