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I have a shared drive on a Mac and I keep having problems accessing different directories.

For example, while logged on the server as root I create a new folder aaa on this drive.

Now, I discover that a normal user cannot write to this directory.

Is there a way for me to change the default permissions/ACLs so I prevent this from happening in the future.

I am looking for a one-time solution, not running chmod or chown each time.


  • it seems that root is not member of staff group because when I do ls -l I see group _unknown listed for files created by root.
  • By default the files do get only xr write for the group (drwxr-xr-x), how can I change so the group will have the same rights as the user, by default?
  • Can this be changes per mounted volume or directory, or changing this would affect the entire system? Risks?
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Get Info on said drive and checking Ignore Ownership might help you.

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