132 lines
3.8 KiB
Groff
132 lines
3.8 KiB
Groff
.\" $NetBSD: last.1,v 1.9 2002/09/30 11:09:04 grant Exp $
|
|
.\"
|
|
.\" Copyright (c) 1980, 1990, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)last.1 8.1 (Berkeley) 6/6/93
|
|
.\"
|
|
.Dd June 6, 1993
|
|
.Dt LAST 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm last
|
|
.Nd indicate last logins of users and ttys
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl Ns Ar n
|
|
.Op Fl T
|
|
.Op Fl f Ar file
|
|
.Op Fl h Ar host
|
|
.Op Fl t Ar tty
|
|
.Op user ...
|
|
.Sh DESCRIPTION
|
|
.Nm
|
|
will list the sessions of specified
|
|
.Ar users ,
|
|
.Ar ttys ,
|
|
and
|
|
.Ar hosts ,
|
|
in reverse time order.
|
|
Each line of output contains
|
|
the user name, the tty from which the session was conducted, any
|
|
hostname, the start and stop times for the session, and the duration
|
|
of the session.
|
|
If the session is still continuing or was cut short by
|
|
a crash or shutdown,
|
|
.Nm
|
|
will so indicate.
|
|
.Pp
|
|
.Bl -tag -width indent-two
|
|
.It Fl f Ar file
|
|
.Nm
|
|
reads the file
|
|
.Ar file
|
|
instead of the default,
|
|
.Pa /var/log/wtmp .
|
|
.It Fl Ar n
|
|
Limits the report to
|
|
.Ar n
|
|
lines.
|
|
.It Fl t Ar tty
|
|
Specify the
|
|
.Ar tty .
|
|
Tty names may be given fully or abbreviated, for example,
|
|
.Dq Li "last -t 03"
|
|
is
|
|
equivalent to
|
|
.Dq Li "last -t tty03" .
|
|
.It Fl h Ar host
|
|
.Ar Host
|
|
names may be names or internet numbers.
|
|
.It Fl T
|
|
Display better time information, including the year and seconds.
|
|
.El
|
|
.Pp
|
|
If
|
|
multiple arguments are given, the information which applies to any of the
|
|
arguments is printed, e.g.,
|
|
.Dq Li "last root -t console"
|
|
would list all of
|
|
.Dq Li root Ns 's
|
|
sessions as well as all sessions on the console terminal.
|
|
If no users, hostnames or terminals are specified,
|
|
.Nm
|
|
prints a record of
|
|
all logins and logouts.
|
|
.Pp
|
|
The pseudo-user
|
|
.Ar reboot
|
|
logs in at reboots of the system, thus
|
|
.Dq Li last reboot
|
|
will give an indication of mean time between reboot.
|
|
.Pp
|
|
If
|
|
.Nm
|
|
is interrupted, it indicates to what date the search has
|
|
progressed.
|
|
If interrupted with a quit signal
|
|
.Nm
|
|
indicates how
|
|
far the search has progressed and then continues.
|
|
.Sh FILES
|
|
.Bl -tag -width /var/log/wtmp -compact
|
|
.It Pa /var/log/wtmp
|
|
login data base
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr lastcomm 1 ,
|
|
.Xr utmp 5 ,
|
|
.Xr ac 8
|
|
.Sh HISTORY
|
|
.Nm
|
|
appeared in
|
|
.Bx 3.0 .
|