Sudo stands for "superuser do" and gives a user access to administrator-like powers. Here's how to use this powerful tool.

Learn how to use the scp command to transfer files securely with this step-by-step tutorial by expert Jack Wallen.

On Linux, if you need to run a single command as an administrator, you can just put sudo at the beginning and run it—you're asked for an administrator password and the process runs. Now, Windows ...