Learning Who Else is Logged in With who
If you're not interested in all the gory details you get about users when you finger them,you can instead use who to get just the basics. With who you get just the users' names, connection information, login times, and host names, as shown in Code Listing 7.10.
To snoop with who:
Code Listing 7.10. Use who to find out who else is currently logged into the system.