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.\" @(#)lastcomm.1 8.1 (Berkeley) 6/6/93 33.\" 34.Dd June 6, 1993 35.Dt LASTCOMM 1 36.Os BSD 3 37.Sh NAME 38.Nm lastcomm 39.Nd show last commands executed in reverse order 40.Sh SYNOPSIS 41.Nm lastcomm 42.Op Fl f Ar file 43.Op Ar command ... 44.Op Ar user ... 45.Op Ar terminal ... 46.Sh DESCRIPTION 47.Nm Lastcomm 48gives information on previously executed commands. 49With no arguments, 50.Nm lastcomm 51prints information about all the commands recorded 52during the current accounting file's lifetime. 53.Pp 54Option: 55.Pp 56.Bl -tag -width Fl 57.It Fl f Ar file 58Read from 59.Ar file 60rather than the default 61accounting file. 62.El 63.Pp 64If called with arguments, only accounting entries with a 65matching 66.Ar command 67name, 68.Ar user 69name, 70or 71.Ar terminal 72name 73are printed. 74So, for example: 75.Pp 76.Dl lastcomm a.out root ttyd0 77.Pp 78would produce a listing of all the 79executions of commands named 80.Pa a.out 81by user 82.Ar root 83on the terminal 84.Ar ttyd0 . 85.Pp 86For each process entry, the following are printed. 87.Pp 88.Bl -bullet -offset indent -compact 89.It 90The name of the user who ran the process. 91.It 92Flags, as accumulated by the accounting facilities in the system. 93.It 94The command name under which the process was called. 95.It 96The amount of cpu time used by the process (in seconds). 97.It 98The time the process exited. 99.El 100.Pp 101The flags are encoded as follows: ``S'' indicates the command was 102executed by the super-user, ``F'' indicates the command ran after 103a fork, but without a following 104.Xr exec , 105``C'' indicates the command was run in PDP-11 compatibility mode 106(VAX only), 107``D'' indicates the command terminated with the generation of a 108.Pa core 109file, and ``X'' indicates the command was terminated with a signal. 110.Sh FILES 111.Bl -tag -width /var/account/acct -compact 112.It Pa /var/account/acct 113Default accounting file. 114.El 115.Sh SEE ALSO 116.Xr last 1 , 117.Xr sigvec 2 , 118.Xr acct 5 , 119.Xr core 5 120.Sh HISTORY 121The 122.Nm lastcomm 123command appeared in 124.Bx 3.0 . 125