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NAME    [Toc]    [Back]

     lastcomm -- show last commands executed in reverse order

SYNOPSIS    [Toc]    [Back]

     lastcomm [-EScesu] [-f file] [command ...] [user ...] [terminal ...]

DESCRIPTION    [Toc]    [Back]

     The lastcomm utility gives information on previously executed commands.
     With no arguments, lastcomm prints information about all the commands
     recorded during the current accounting file's lifetime.

     The following options are available:

     -E 	Print the time the process exited.
     -S 	Print the time the process started.
     -c 	Print the amount of cpu time used by the process.
     -e 	Print the amount of elapsed time used by the process.
     -s 	Print the amount of system time used by the process.
     -u 	Print the amount of user time used by the process.
     -f file	Read from file rather than the default /var/account/acct.

     If no options are specified, -cS is assumed.  If lastcomm is invoked with
     arguments, only accounting entries with a matching command name, user
     name, or terminal name are printed.  For example:

	   lastcomm a.out root ttyd0

     would produce a listing of all the executions of commands named a.out by
     user root on the terminal ttyd0.

     For each process entry, the following are printed.

	   +o   The name of the user who ran the process.
	   +o   Flags, as accumulated by the accounting facilities in the system.

	   +o   The command name under which the process was called.
	   +o   The amount of CPU (-c), wall (-e), system (-s), or user (-u)
	       time used by the process (in seconds).
	   +o   The time the process started (-S) or exited (-E).

     The flags are encoded as follows: ``S'' indicates the command was executed
 by the super-user, ``F'' indicates the command ran after a fork,
     but without a following exec(3), ``D'' indicates the command terminated
     with the generation of a core file, and ``X'' indicates the command was
     terminated with a signal.

FILES    [Toc]    [Back]

     /var/account/acct	Default accounting file.

SEE ALSO    [Toc]    [Back]

     last(1), sigvec(2), acct(5), core(5)

HISTORY    [Toc]    [Back]

     The lastcomm command appeared in 3.0BSD.

FreeBSD 5.2.1		      September 18, 1996		 FreeBSD 5.2.1
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