finger
Displays information about users
finger [options] [user-list]
The finger utility displays the login names of users, together with their full names, terminal device numbers, the times they logged in, and other information. The options control how much information finger displays, and the user-list specifies which users finger displays information about. The finger utility can retrieve information from local and remote systems.
Arguments
Without any arguments, finger provides a short (-s) report on users who are logged in on the local system. When you specify a user-list, finger provides a long (-l) report on each of the users in the user-list.
If the name includes an at sign (@), the finger utility interprets the name following the
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