Ubuntu, like other Linux distributions, restricts access to files and system settings by default. Each user account has read and write access to its own files and read access to some system files.
The default Ubuntu permissions are kinda silly, creating homedirs that are browsable by group and other by default. Not so much of an issue with purely local users (and can also be fixed via DIR_MODE ...
How to turn on advance file permissions in Ubuntu Linux 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: ...