._ files

Discussion in 'macOS' started by Leiser9, Oct 10, 2011.

  1. Leiser9 macrumors newbie

    Joined:
    May 29, 2011
    #1
    On my external hard drive, many files have randomly appeared that begin with ._ have appeared, and are only viewable with hidden files set to appear. The ._ have the same file type as other files in the same folders, and the names are similar to files in the same folder except with the ._ in the beginning, and all of them are approx. 4-6kB. They don't appear on all files, but they do show up on more than half. What is the purpose of these files and is it ok to delete them?
     
  2. balamw Moderator

    balamw

    Staff Member

    Joined:
    Aug 16, 2005
    Location:
    New England
  3. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #3
    These files are created by Mac OS X on non-HFS+ disks. They hold meta data about the file touched by Mac OS X. It is safe to delete them.
     

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