Preboot folder in /Volumes: purpose and safe to delete?

Discussion in 'macOS High Sierra (10.13)' started by Tomkins!, Sep 28, 2017.

  1. Tomkins! macrumors regular

    Jul 17, 2012
    I have two Preboot (Preboot and Preboot 1) folders in /Volumes. They are the same size. Quick googling indicated that they are APFS related.

    My question is: what purpose do they serve and is it safe to delete them?
  2. phenoplastic macrumors member

    May 30, 2010
    also just noticed this. They're annoyingly showing up in a disk space utility I use. Too nervous to delete them, and can't find any info other than this thread.
  3. Tomkins! thread starter macrumors regular

    Jul 17, 2012
    I moved them to another location, rebooted... and everything was fine. Your mileage may vary.
    The first one appeared after I had installed the High Sierra GM, the second one after I upgraded my machine to the release version.
  4. Cougarcat macrumors 604

    Sep 19, 2003
    What it is, from shirtpocket:

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