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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.


finger [options] users

Display data about one or more users, including information listed in the files .plan and .project in each user's home directory. You can specify each user either as a login name (exact match) or as a first or last name (display information on all matching names). Networked environments recognize arguments of the form user@host and @host.



Force long format (default): everything included by the -s option, as well as home directory, home phone, login shell, mail status, .plan, .project, and .forward.


Suppress matching of users' "real" names.


Omit .plan and .project files from display.


Show short format: login name, real name, terminal name, write status, idle time, office location, and office phone number.

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