A man page is a manual page dedicated to a specific command and every Linux distribution includes them. Say, for example, you wanted to learn about the chmod command. You could either run a Google ...

Linux is a multi-user operating system. What does that mean? Like all good operating systems, you can have multiple user accounts on one machine. You can also have more than one user logged in at once ...

Linux provides a useful array of commands for managing file permissions, getting information on commands, displaying running processes and displaying details on the system itself. The uname command ...

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.