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LASTCOMM(1) General Commands Manual LASTCOMM(1)

show last commands executed in reverse order

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

lastcomm 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 options are as follows:

Read from file rather than the default accounting file.

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 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:

The flags are encoded as follows: ‘F’ indicates the command ran after a fork, but without a following exec(3), ‘C’ indicates the command was run in PDP-11 compatibility mode (VAX only), ‘D’ indicates the command terminated with the generation of a core file, ‘X’ indicates the command was terminated with a signal, ‘P’ indicates the command was terminated due to a pledge(2) violation, and ‘T’ indicates the command did a memory access violation detected by a processor trap.

default accounting file

last(1), sigvec(3), acct(5), core(5), accton(8)

The lastcomm command appeared in 3.0BSD.
February 27, 2018 OpenBSD-current