When you sit down at your Linux terminal, the first thing you should see is a login prompt. Linux was written with your computer's security in mind. Each user should have her own account and appropriate access privileges. When you log in, keep in mind that the computer attempts to match your username and password to the ones it has on file. Spelling and punctuation count, so be sure to pick a username and password you will remember!
After you boot Linux for the first time, you'll see login and password prompts on your display. To access Linux, type root at the login prompt and press Enter.
localhost login: rootPassword:
At the password prompt, type ...