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OpenDarwin 7.2.1 - man page for finger (opendarwin section 1)

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FINGER(1)			   BSD General Commands Manual				FINGER(1)

NAME
     finger -- user information lookup program

SYNOPSIS
     finger [-46glmpshoT] [user ...] [user@host ...]

DESCRIPTION
     The finger utility displays information about the system users.

     Options are:

     -4      Forces finger to use IPv4 addresses only.

     -6      Forces finger to use IPv6 addresses only.

     -s      Display the user's login name, real name, terminal name and write status (as a ``*''
	     before the terminal name if write permission is denied), idle time, login time, and
	     either office location and office phone number, or the remote host.  If -o is given,
	     the office location and office phone number is printed (the default).  If -h is
	     given, the remote host is printed instead.

	     Idle time is in minutes if it is a single integer, hours and minutes if a ``:'' is
	     present, or days if a ``d'' is present.  If it is an ``*'', the login time indicates
	     the time of last login.  Login time is displayed as the day name if less than 6
	     days, else month, day; hours and minutes, unless more than six months ago, in which
	     case the year is displayed rather than the hours and minutes.

	     Unknown devices as well as nonexistent idle and login times are displayed as single
	     asterisks.

     -h      When used in conjunction with the -s option, the name of the remote host is dis-
	     played instead of the office location and office phone.

     -o      When used in conjunction with the -s option, the office location and office phone
	     information is displayed instead of the name of the remote host.

     -g      This option restricts the gecos output to only the users' real name. It also has the
	     side-effect of restricting the output of the remote host when used in conjunction
	     with the -h option.

     -l      Produce 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 .forward, .plan, .project and .pubkey from the
	     user's home directory.

	     If idle time is at least a minute and less than a day, it is presented in the form
	     ``hh:mm''.  Idle times greater than a day are presented as ``d day[s]hh:mm''.

	     Phone numbers specified as eleven digits are printed as ``+N-NNN-NNN-NNNN''.  Num-
	     bers 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 spec-
	     ified 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      Prevent the -l option of finger from displaying the contents of the .forward, .plan,
	     .project and .pubkey 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.

     -T      Disable the piggybacking of data on the initial connection request.  This option is
	     needed to finger hosts with a broken TCP implementation.

     If no options are specified, finger defaults to the -l style output if operands are pro-
     vided, 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.

     The finger utility may be used to look up users on a remote machine.  The format is to spec-
     ify 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 the file .nofinger exists in the user's home directory, finger behaves as if the user in
     question does not exist.

     The optional finger.conf(5) configuration file can be used to specify aliases.  Since finger
     is invoked by fingerd(8), aliases will work for both local and network queries.

ENVIRONMENT
     The finger utility utilizes the following environment variable, if it exists:

     FINGER	 This variable may be set with favored options to finger.

FILES
     /etc/finger.conf  alias definition data base
     /var/log/lastlog  last login data base

SEE ALSO
     chpass(1), w(1), who(1), finger.conf(5), fingerd(8)

     D. Zimmerman, The Finger User Information Protocol, RFC 1288, December, 1991.

HISTORY
     The finger command appeared in 3.0BSD.

BUGS
     The current FINGER protocol RFC requires that the client keep the connection fully open
     until the server closes.  This prevents the use of the optimal three-packet T/TCP exchange.
     (Servers which depend on this requirement are bogus but have nonetheless been observed in
     the Internet at large.)

BSD					  July 22, 2002 				      BSD
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