NAME

lastcomm − Outputs information about the last commands executed

SYNOPSIS

lastcomm [Command] [Name] [Tty]

DESCRIPTION

The lastcomm command outputs information about all previously executed commands that are recorded in the /var/adm/pacct file in reverse chronological order. 

You may specify a particular command with the Command parameter, a particular user with the Name parameter, and a particular terminal as the command source with the Tty parameter. Output is then restricted to the specified parameters.  A Tty terminal may be named fully (for example, tty0) or abbreviated (for example, 0). 

The following information is displayed for each process:

       •Name of the command under which the process was called. 

       •Any options collected when the command was executed. The following options are valid:

SCommand was run with an effective user-id of 0. 

FCommand ran after a fork, but without an exec system call following it. 

       •Name of the user who issued the command. 

       •The terminal the command was started from. 

       •Seconds of CPU time used. 

       •Time the process started. 

EXAMPLES

     1.To display information about all previously executed commands recorded in the /var/adm/pacct file, enter:

lastcomm

Information is displayed similar to:

lastcomm    ajh      lat/620        1.13 secs Thu Feb 24 15:02
pg          ajh      lat/620        5.91 secs Thu Feb 24 15:01
ln          miller   ttyp1          1.14 secs Thu Feb 24 15:01
ls          rob      ttyp1          0.02 secs Thu Feb 24 15:01
pg          sjz      ttyp1          0.33 secs Thu Feb 24 15:00
sendmail SF root     __             0.01 secs Thu Feb 24 15:00

     2.To display information about commands named a.out executed by the root user on terminal ttyd0, enter:

lastcomm a.out root ttyd0

FILES

/usr/bin/lastcomm
Specifies the command path

/var/adm/pacct
The current accounting file

SEE ALSO

Commands: last(8)