show last commands executed in reverse order
[command ...] [user ...]
lastcomm gives information on previously executed
commands. With no arguments,
information about all the commands recorded during the current accounting
The options are as follows:
- Read from file rather than the default accounting
If called with arguments, only accounting entries with a matching
command name, user name, or
terminal name are printed. So, for example:
lastcomm a.out root
would produce a listing of all the executions of commands named
a.out by user root on the
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:
- The command was run in PDP-11 compatibility mode (VAX only).
- The command terminated with the generation of a
- The command ran after a fork, but without a following
- The command was terminated due to a
- The command did a memory access violation detected by a processor
- The command tried a file access that was prevented by
- The command was terminated with a signal.
- default accounting file
lastcomm command appeared in