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Annotation of src/usr.bin/last/last.1, Revision 1.2

1.2     ! deraadt     1: .\"    $OpenBSD: last.1,v 1.3 1994/12/21 22:41:23 jtc Exp $
1.1       deraadt     2: .\"    $NetBSD: last.1,v 1.3 1994/12/21 22:41:23 jtc Exp $
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                      4: .\" Copyright (c) 1980, 1990, 1993
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                     35: .\"     @(#)last.1     8.1 (Berkeley) 6/6/93
                     36: .\"
                     37: .Dd June 6, 1993
                     38: .Dt LAST 1
                     39: .Os BSD 4
                     40: .Sh NAME
                     41: .Nm last
                     42: .Nd indicate last logins of users and ttys
                     43: .Sh SYNOPSIS
                     44: .Nm last
                     45: .Op Fl Ns Ar n
                     46: .Op Fl f Ar file
                     47: .Op Fl h Ar host
                     48: .Op Fl t Ar tty
                     49: .Op user ...
                     50: .Sh DESCRIPTION
                     51: .Nm Last
                     52: will list the sessions of specified
                     53: .Ar users ,
                     54: .Ar ttys ,
                     55: and
                     56: .Ar hosts ,
                     57: in reverse time order.  Each line of output contains
                     58: the user name, the tty from which the session was conducted, any
                     59: hostname, the start and stop times for the session, and the duration
                     60: of the session.  If the session is still continuing or was cut short by
                     61: a crash or shutdown,
                     62: .Nm last
                     63: will so indicate.
                     64: .Pp
                     65: .Bl -tag -width indent-two
                     66: .It Fl f Ar file
                     67: .Nm Last
                     68: reads the file
                     69: .Ar file
                     70: instead of the default,
                     71: .Pa /var/log/wtmp .
                     72: .It Fl Ar n
                     73: Limits the report to
                     74: .Ar n
                     75: lines.
                     76: .It Fl t Ar tty
                     77: Specify the
                     78: .Ar tty .
                     79: Tty names may be given fully or abbreviated, for example,
                     80: .Dq Li "last -t 03"
                     81: is
                     82: equivalent to
                     83: .Dq Li "last -t tty03" .
                     84: .It Fl h Ar host
                     85: .Ar Host
                     86: names may be names or internet numbers.
                     87: .El
                     88: .Pp
                     89: If
                     90: multiple arguments are given, the information which applies to any of the
                     91: arguments is printed, e.g.,
                     92: .Dq Li "last root -t console"
                     93: would list all of
                     94: .Dq Li root Ns 's
                     95: sessions as well as all sessions on the console terminal. If no
                     96: users, hostnames or terminals are specified,
                     97: .Nm last
                     98: prints a record of
                     99: all logins and logouts.
                    100: .Pp
                    101: The pseudo-user
                    102: .Ar reboot
                    103: logs in at reboots of the system, thus
                    104: .Dq Li last reboot
                    105: will give an indication of mean time between reboot.
                    106: .Pp
                    107: If
                    108: .Nm last
                    109: is interrupted, it indicates to what date the search has
                    110: progressed.  If interrupted with a quit signal
                    111: .Nm last
                    112: indicates how
                    113: far the search has progressed and then continues.
                    114: .Sh FILES
                    115: .Bl -tag -width /var/log/wtmp -compact
                    116: .It Pa /var/log/wtmp
                    117: login data base
                    118: .El
                    119: .Sh SEE ALSO
                    120: .Xr lastcomm 1 ,
                    121: .Xr utmp 5 ,
                    122: .Xr ac 8
                    123: .Sh HISTORY
                    124: .Nm Last
                    125: appeared in
                    126: .Bx 3.0 .