Linux Command Library


user information lookup programm

- Display information about currently logged in users:

- Display information about a specific user:
finger [username]

- Display the user's login name, real name, terminal name, and other information:
finger -s

- Produce multi-line output format displaying same information as `-s` as well as user's home directory, home phone number, login shell, mail status, etc.:
finger -l

- Prevent matching against user's names and only use login names:
finger -m

finger [-lmsp] [user ...] [user@host ...]

The finger displays information about the system users.

Options are:

 -s'  Finger displays the user's login name, real name, terminal nameand write status (as a ''*'' after the terminal name if writepermission is denied), idle time, login time, office location andoffice phone number. Login time is displayed as month, day, hours and minutes, unlessmore than six months ago, in which case the year is displayedrather than the hours and minutes. Unknown devices as well as nonexistent idle and login times aredisplayed as single asterisks.
-l' Produces a multi-line format displaying all of the information described for the -s option as well as the user's home directory, home phone number, login shell, mail status, and the contents of the files ''.plan'', ''.project'', ''.pgpkey'' and ''.forward'' from the user's home directory.

Phone numbers specified as eleven digits are printed as ''+N-NNN-NNN-NNNN''. Numbers specified as ten or seven digits are printed as the appropriate subset of that string. Numbers specified as five digits are printed as ''xN-NNNN''. Numbers specified as four digits are printed as ''xNNNN''.

If write permission is denied to the device, the phrase ''(messages off)'' is appended to the line containing the device name. One entry per user is displayed with the -l option; if a user is logged on multiple times, terminal information is repeated once per login.

Mail status is shown as ''No Mail.'' if there is no mail at all, ''Mail last read DDD MMM ## HH:MM YYYY (TZ)'' if the person has looked at their mailbox since new mail arriving, or ''New mail received ...'', '' Unread since ...'' if they have new mail.

-p' Prevents the -l option of finger from displaying the contents of the ''.plan'', ''.project'' and ''.pgpkey'' files.

-m' Prevent matching of user names. User is usually a login name; however, matching will also be done on the users' real names, unless the -m option is supplied. All name matching performed by finger is case insensitive.

If no options are specified, finger defaults to the -l style output if operands are provided, otherwise to the -s style. Note that some fields may be missing, in either format, if information is not available for them.

If no arguments are specified, finger will print an entry for each user currently logged into the system.

Finger may be used to look up users on a remote machine. The format is to specify a user as ''user@host'', or ''@host'', where the default output format for the former is the -l style, and the default output format for the latter is the -s style. The -l option is the only option that may be passed to a remote machine.

If standard output is a socket, finger will emit a carriage return (^M) before every linefeed (^J). This is for processing remote finger requests when invoked by fingerd(8).

~/.nofinger' If finger finds this file in a user's homedirectory, it will, for finger requests originatingoutside the local host, firmly deny the existence ofthat user. For this to work, the finger program, asstarted by fingerd(8), must be able to see the .nofingerfile. This generally means that the home directorycontaining the file must have the other-users-executebit set (o+x). See chmod(1). If you use this featurefor privacy, please test it with ''finger @localhost''before relying on it, just in case.


~/.pgpkey' These files are printed as part of a long-format request. The .project file is limited to one line; the .plan file may be arbitrarily long.

chfn(1), passwd(1), w(1), who(1)

The finger command appeared in 3.0BSD.

Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)

lbdbq(1), lchfn(1), passwd(5), rwho(1), userinfo(1), whowatch(1), ypchfn(1)

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