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.\" $FreeBSD$ 34.\" 35.Dd September 18, 1996 36.Dt LASTCOMM 1 37.Os 38.Sh NAME 39.Nm lastcomm 40.Nd show last commands executed in reverse order 41.Sh SYNOPSIS 42.Nm 43.Op Fl EScesu 44.Op Fl f Ar file 45.Op Ar command ...\& 46.Op Ar user ...\& 47.Op Ar terminal ...\& 48.Sh DESCRIPTION 49The 50.Nm 51utility gives information on previously executed commands. 52With no arguments, 53.Nm 54prints information about all the commands recorded 55during the current accounting file's lifetime. 56.Pp 57The following options are available: 58.Bl -tag -width indent 59.It Fl E 60Print the time the process exited. 61.It Fl S 62Print the time the process started. 63.It Fl c 64Print the amount of cpu time used by the process. 65.It Fl e 66Print the amount of elapsed time used by the process. 67.It Fl s 68Print the amount of system time used by the process. 69.It Fl u 70Print the amount of user time used by the process. 71.It Fl f Ar file 72Read from 73.Ar file 74rather than the default 75.Pa /var/account/acct . 76.El 77.Pp 78If no options are specified, 79.Fl cS 80is assumed. 81If 82.Nm 83is invoked with arguments, only accounting entries with a 84matching 85.Ar command 86name, 87.Ar user 88name, 89or 90.Ar terminal 91name 92are printed. 93For example: 94.Pp 95.Dl lastcomm a.out root ttyd0 96.Pp 97would produce a listing of all the 98executions of commands named 99.Pa a.out 100by user 101.Ar root 102on the terminal 103.Ar ttyd0 . 104.Pp 105For each process entry, the following are printed. 106.Pp 107.Bl -bullet -offset indent -compact 108.It 109The name of the user who ran the process. 110.It 111Flags, as accumulated by the accounting facilities in the system. 112.It 113The command name under which the process was called. 114.It 115The amount of 116CPU 117.Pq Fl c , 118wall 119.Pq Fl e , 120system 121.Pq Fl s , 122or user 123.Pq Fl u 124time used by the process (in seconds). 125.It 126The time the process started 127.Pq Fl S 128or exited 129.Pq Fl E . 130.El 131.Pp 132The flags are encoded as follows: ``S'' indicates the command was 133executed by the super-user, ``F'' indicates the command ran after 134a fork, but without a following 135.Xr exec 3 , 136.\" ``C'' indicates the command was run in PDP-11 compatibility mode 137.\" (VAX only), 138``D'' indicates the command terminated with the generation of a 139.Pa core 140file, and ``X'' indicates the command was terminated with a signal. 141.Sh FILES 142.Bl -tag -width /var/account/acct -compact 143.It Pa /var/account/acct 144default accounting file 145.El 146.Sh SEE ALSO 147.Xr last 1 , 148.Xr sigvec 2 , 149.Xr acct 5 , 150.Xr core 5 151.Sh HISTORY 152The 153.Nm 154command appeared in 155.Bx 3.0 . 156