Logging in as the root user should never be done on Linux. Using the root account could lead to disaster. Sudo is the preferred method of gaining elevated privileges. When I first started using Linux ...

The 'sudo' keyword in Unix and Linux allows users to execute certain commands with special-access privileges that cannot otherwise run on a given machine by a user with a lower level of clearance.

A useful thing that some distros have started doing is setting the color of your shell prompt differently if you're logged in as root. This gives you an additional visual cue that helps avoid doing ...

There was a time when, to use a computer, you merely turned it on and were greeted by a command prompt. Nowadays, most operating systems offer a security model with multiple users. Typically, the ...