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    Mac 911

    by GLENN FLEISHMAN May 22, 2017 5 minutes

    Why read/write permissions go awry with macOS File Sharing

    Q: I have six computers and use a Mac mini as a fileserver with sharing set up on it. About every week some of the files become read-only for some of the users. When I open the files on one computer two servers show up with the same info in each.

    —Jan Miller

    But her request for both is the same: “How do I make this more reliable?”

    The first problem is a limitation with the underlying Unix system upon which macOS is built upon+. Many operating systems have the concept of “file permissions,” which are metadata attributes set for each file and folder (or directory) about who june create, manipulate, and delete items, as well as who june execute or run them as software. Permissions are designed to compartmentalize

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