1.\" Copyright (c) 1980, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" From: @(#)lastcomm.1 8.1 (Berkeley) 6/6/93 33.\" $FreeBSD: src/usr.bin/lastcomm/lastcomm.1,v 1.7.2.4 2002/06/21 15:27:39 charnier Exp $ 34.\" $DragonFly: src/usr.bin/lastcomm/lastcomm.1,v 1.2 2003/06/17 04:29:27 dillon Exp $ 35.\" 36.Dd September 18, 1996 37.Dt LASTCOMM 1 38.Os 39.Sh NAME 40.Nm lastcomm 41.Nd show last commands executed in reverse order 42.Sh SYNOPSIS 43.Nm 44.Op Fl EScesu 45.Op Fl f Ar file 46.Op Ar command ...\& 47.Op Ar user ...\& 48.Op Ar terminal ...\& 49.Sh DESCRIPTION 50The 51.Nm 52utility gives information on previously executed commands. 53With no arguments, 54.Nm 55prints information about all the commands recorded 56during the current accounting file's lifetime. 57.Pp 58The following options are available: 59.Pp 60.Bl -tag -width XXfXfileX -compact 61.Pp 62.It Fl E 63Print the time the process exited. 64.It Fl S 65Print the time the process started. 66.It Fl c 67Print the amount of cpu time used by the process. 68.It Fl e 69Print the amount of elapsed time used by the process. 70.It Fl s 71Print the amount of system time used by the process. 72.It Fl u 73Print the amount of user time used by the process. 74.It Fl f Ar file 75Read from 76.Ar file 77rather than the default 78.Pa /var/account/acct . 79.El 80.Pp 81If no options are specified, 82.Fl cS 83is assumed. 84If 85.Nm 86is invoked with arguments, only accounting entries with a 87matching 88.Ar command 89name, 90.Ar user 91name, 92or 93.Ar terminal 94name 95are printed. 96For example: 97.Pp 98.Dl lastcomm a.out root ttyd0 99.Pp 100would produce a listing of all the 101executions of commands named 102.Pa a.out 103by user 104.Ar root 105on the terminal 106.Ar ttyd0 . 107.Pp 108For each process entry, the following are printed. 109.Pp 110.Bl -bullet -offset indent -compact 111.It 112The name of the user who ran the process. 113.It 114Flags, as accumulated by the accounting facilities in the system. 115.It 116The command name under which the process was called. 117.It 118The amount of 119CPU 120.Pq Fl c , 121wall 122.Pq Fl e , 123system 124.Pq Fl s , 125or user 126.Pq Fl u 127time used by the process (in seconds). 128.It 129The time the process started 130.Pq Fl S 131or exited 132.Pq Fl E . 133.El 134.Pp 135The flags are encoded as follows: ``S'' indicates the command was 136executed by the super-user, ``F'' indicates the command ran after 137a fork, but without a following 138.Xr exec 3 , 139.\" ``C'' indicates the command was run in PDP-11 compatibility mode 140.\" (VAX only), 141``D'' indicates the command terminated with the generation of a 142.Pa core 143file, and ``X'' indicates the command was terminated with a signal. 144.Sh FILES 145.Bl -tag -width /var/account/acct -compact 146.It Pa /var/account/acct 147Default accounting file. 148.El 149.Sh SEE ALSO 150.Xr last 1 , 151.Xr sigvec 2 , 152.Xr acct 5 , 153.Xr core 5 154.Sh HISTORY 155The 156.Nm 157command appeared in 158.Bx 3.0 . 159