1.\" $NetBSD: finger.1,v 1.22 2020/05/07 13:40:20 kim Exp $ 2.\" 3.\" Copyright (c) 1989, 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" from: @(#)finger.1 8.3 (Berkeley) 5/5/94 31.\" 32.Dd May 7, 2020 33.Dt FINGER 1 34.Os 35.Sh NAME 36.Nm finger 37.Nd user information lookup program 38.Sh SYNOPSIS 39.Nm 40.Op Fl 8ghlmops 41.Op Ar user ... 42.Op Ar user@host ... 43.Sh DESCRIPTION 44The 45.Nm 46utility displays information about the system users. 47.Pp 48Options are: 49.Bl -tag -width flag 50.It Fl 8 51Pass through 8-bit data. 52This option is intended for enabling 8-bit 53data output in the 54.Xr fingerd 8 55service. 56Using this from the command line is 57.Em dangerous , 58as the output data may include control characters for your terminal. 59.It Fl g 60This option restricts the gecos output to only the users' real names. 61.It Fl h 62When used in conjunction with the 63.Fl s 64option, the name of the remote host is displayed instead of the office 65location and office phone. 66.It Fl l 67Produces a multi-line format displaying all of the information 68described for the 69.Fl s 70option as well as the user's home directory, home phone number, login 71shell, mail status, and the contents of the files 72.Dq Pa .forward , 73.Dq Pa .plan 74and 75.Dq Pa .project 76from the user's home directory. 77.Pp 78If idle time is at least a minute and less than a day, it is 79presented in the form 80.Dq hh:mm . 81Idle times greater than a day are presented as 82.Dq d day[s]hh:mm . 83.Pp 84Phone numbers specified as eleven digits are printed as 85.Dq +N-NNN-NNN-NNNN . 86Numbers specified as ten or seven digits are printed as the appropriate 87subset of that string. 88Numbers specified as five digits are printed as 89.Dq xN-NNNN . 90Numbers specified as four digits are printed as 91.Dq xNNNN . 92.Pp 93If write permission is denied to the device, the phrase 94.Dq (messages off) 95is appended to the line containing the device name. 96One entry per user is displayed with the 97.Fl l 98option; if a user is logged on multiple times, terminal information 99is repeated once per login. 100.Pp 101Mail status is shown as 102.Dq \&No Mail. 103if there is no mail at all, ``Mail last read DDD MMM ## HH:MM YYYY (TZ)'' 104if the person has looked at their 105mailbox since new mail arriving, or 106.Dq New mail received ... , 107.Dq Unread since \&... 108if they have new mail. 109.It Fl m 110Prevent matching of 111.Ar user 112names. 113.Ar User 114is usually a login name; however, matching will also be done on the 115users' real names, unless the 116.Fl m 117option is supplied. 118All name matching performed by 119.Nm 120is case insensitive. 121.It Fl o 122When used in conjunction with the 123.Fl s 124option, the office location and office phone information is displayed. 125This is the default. 126.It Fl p 127Prevents 128the 129.Fl l 130option of 131.Nm 132from displaying the contents of the 133.Dq Pa .forward , 134.Dq Pa .plan 135and 136.Dq Pa .project 137files. 138.It Fl s 139.Nm 140displays the user's login name, real name, terminal name and write 141status (as a 142.Dq * 143after the terminal name if write permission is denied), idle time, 144login time, and either office location and office phone number, 145or the remote host. 146If 147.Fl h 148is given, the remote is printed. 149If 150.Fl o 151is given, the office location and phone number is printed instead 152(the default). 153.Pp 154Idle time is in minutes if it is a single integer, hours and minutes 155if a 156.Dq \&: 157is present, or days if a 158.Dq d 159is present. 160Login time is displayed as the dayname if less than six days, 161else month, day, hours and minutes, unless 162more than six months ago, in which case the year is displayed rather 163than the hours and minutes. 164.Pp 165Unknown devices as well as nonexistent idle and login times are 166displayed as single asterisks. 167.El 168.Pp 169If no options are specified, 170.Nm 171defaults to the 172.Fl l 173style output if operands are provided, otherwise to the 174.Fl s 175style. 176Note that some fields may be missing, in either format, if information 177is not available for them. 178.Pp 179If no arguments are specified, 180.Nm 181will print an entry for each user currently logged into the system. 182.Pp 183The 184.Nm 185utility may be used to look up users on a remote machine. 186The format is to specify a 187.Ar user 188as 189.Dq Li user@host , 190or 191.Dq Li @host , 192where the default output 193format for the former is the 194.Fl l 195style, and the default output format for the latter is the 196.Fl s 197style. 198The 199.Fl l 200option is the only option that may be passed to a remote machine. 201.Sh FILES 202.Bl -tag -width /var/log/lastlogx -compact 203.It Pa /var/run/utmpx 204The 205.Nm utmpx 206file. 207.It Pa /var/log/lastlogx 208The 209.Nm lastlogx 210file. 211.It Pa /var/run/utmp 212The 213.Nm utmp 214file. 215.It Pa /var/log/lastlog 216The 217.Nm lastlog 218file. 219.El 220.Sh SEE ALSO 221.Xr chpass 1 , 222.Xr w 1 , 223.Xr who 1 , 224.Xr fingerd 8 225.Sh HISTORY 226The 227.Nm 228command appeared in 229.Bx 2.0 . 230