How to Determine Who Is Logged in to a System

1. Log into the system to be shut down.

2. Display logged-in users.

   $ who

Example—Determining Who Is Logged in to a System

The following example shows how to display who is logged in to the system.

$ who
holly 1     console      May  7 07:30 
kryten      pts/0  2     May  7 07:35	  (starbug) 4
lister      pts/1        May  7 07:40 3 (bluemidget)

1. Identifies the user name of the logged-in user.

2. Identifies the terminal line of the logged-in user.

3. Identifies the date and time that the user logged in.

4. (Optional) Identifies the host name if a user is logged in from a remote system.