gives information on previously executed commands.
With no arguments,
prints information about all the commands recorded
during the current accounting file's lifetime.
The options are as follows:
rather than the default
If called with arguments, only accounting entries with a
So, for example:
lastcomm a.out root ttyd0
would produce a listing of all the
executions of commands named
on the terminal
For each process entry, the following are printed:
Name of the user who ran the process.
Flags, as accumulated by the system's accounting facilities.
Command name under which the process was called.
Amount of CPU time used by the process (in seconds).
Time the process started.
Elapsed time of the process.
The flags are encoded as follows:
indicates the command was
executed by the superuser,
indicates the command ran after
a fork, but without a following
indicates the command was run in PDP-11 compatibility mode
indicates the command terminated with the generation of a
indicates the command was terminated with a signal.