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.

Control who can access files, search directories, and run scripts using the Linux's chmod command. This command modifies Linux file permissions, which look complicated at first glance but are actually ...

File permissions are core to almost everything you do on your Linux machine, from viewing a PDF to saving an image and running an app. The core model keeps things simple, but there are quite a few ...