Here's how you can enable advance file permission in Ubuntu Linux. 1. Open a terminal window. 2. Type in the following command, then hit Enter: gsettings set org.gnome.nautilus.preferences show-advanced-permissions 3. Right click any file or folder. 4. Go to Properties then Permissions. 5. You'll see that advanced file permissions have been enabled.
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How to enable advance file permission in Ubuntu Linux | Fresh Tutorial