lastcomm - Outputs information about the last commands executed
lastcomm [Command] [Name] [Tty]
The lastcomm command outputs information about all previously executed com-
mands that are recorded in the /var/adm/pacct file in reverse chronological
You may specify a particular command with the Command parameter, a particu-
lar 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:
S Command was run with an effective user-id of 0.
F Command ran after a fork, but without an exec system call follow-
+ Name of the user who issued the command.
+ The terminal the command was started from.
+ Seconds of CPU time used.
+ Time the process started.
1. To display information about all previously executed commands recorded
in the /var/adm/pacct file, enter:
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
Specifies the command path
The current accounting file