You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we can use ls command options. We can use the -l (long format) option to have ...

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 ...

Permissions have two parts: an action and a set of users. The three actions—read, write, and execute—define what can be done ...

Just as your office file cabinets should be off-limits to competitors and snoops, access to the files on your company's computers should be restricted as well. The CentOS operating system enables you ...

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 ...

Linux is a multi-user environment, which means more than one user can use the system at one time. Granted, that mostly takes the form of console access (via SSH), because you can't easily have two ...