GNU/Linux Command – FINGER

finger — User information lookup program.
finger will lookup and displays information about users in the local or remote system.
$ finger -- Show currently logged on user's info.  $ finger user1 -- Show info about the user1.  $ finger -s -- Show more info about the currently logged on users.  $ finger -l -- Show all info about the users in multi-lines.  $ finger @host2 -- Show all current logged on users info.  $ finger user2@host2 -- Show info about user2 on host2.
1) User can add his/her plans in ~/.plan and projects details in ~/.project file. Finger will show this in output.
2) Remote host should run fingerd to support remote fingering.
Read: man finger

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