Whether your server is running SCO Unix or Red Hat Linux, to see the user names that are logged into your system you can use the who command. Follow the simple procedure below:

Login:  root

Password: XXXXXX (ask system supervisor)

Type in who at the # prompt:

#  who

The name of each user and the number of times they are logged in will display on your screen. To return to your login prompt, type

# exit