1.\" Copyright (c) 1980, 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)last.1 6.5 (Berkeley) 06/24/90 7.\" 8.Dd 9.Dt LAST 1 10.Os BSD 4 11.Sh NAME 12.Nm last 13.Nd indicate last logins of users and ttys 14.Sh SYNOPSIS 15.Nm last 16.Oo 17.Op Fl Ar \&# 18.Oo 19.Op Fl f Ar file 20.Op Fl h Ar host 21.Op Fl t Ar tty 22.Op user ... 23.Sh DESCRIPTION 24.Nm Last 25will list the sessions of specified 26.Ar users , 27.Ar ttys , 28and 29.Ar hosts , 30in reverse time order. Each line of output contains 31the user name, the tty from which the session was conducted, any 32hostname, the start and stop times for the session, and the duration 33of the session. If the session is still continuing or was cut short by 34a crash or shutdown, 35.Nm last 36will so indicate. 37.Pp 38.Nm Last 39reads the file 40.Ar file , 41or by default, 42.Pa /var/log/wtmp . 43.Tw Ds 44.Tc Fl 45.Ar \&# 46.Cx 47option limits the report to 48.Ar \&# 49lines. 50.Tc Fl t 51.Ws 52.Ar tty 53.Cx 54Specify the 55.Ar tty . 56Tty names may be given fully or abbreviated, e.g., ``last -t 03'' is 57equivalent to ``last -t tty03''. 58.Tc Fl h 59.Ws 60.Ar host 61.Cx 62.Ar Host 63names may be names or internet numbers. 64.Tp 65.Pp 66If 67multiple arguments are given, the information which applies to any of the 68arguments is printed, e.g., ``last root -t console'' would list all of 69``root's'' sessions as well as all sessions on the console terminal. If no 70users, hostnames or terminals are specified, 71.Nm last 72prints a record of 73all logins and logouts. 74.Pp 75The pseudo-user 76.Ar reboot 77logs in at reboots of the system, thus 78``last reboot'' will give an indication of mean time between reboot. 79.Pp 80If 81.Nm last 82is interrupted, it indicates to what date the search has 83progressed. If interrupted with a quit signal .Nm last 84indicates how 85far the search has progressed and then continues. 86.Sh FILES 87.Dw /var/log/wtmp 88.Di L 89.Dp Pa /var/log/wtmp 90login data base 91.Dp 92.Sh SEE ALSO 93.Xr lastcomm 1 , 94.Xr utmp 5 , 95.Xr ac 8 96.Sh HISTORY 97.Nm Last 98appeared in 3 BSD. 99