LASTCOMM(1) BSD Reference Manual LASTCOMM(1)
lastcomm - show last commands executed in reverse order
lastcomm [-f file] [command ...] [user ...] [terminal ...]
lastcomm gives information on previously executed commands. With no argu- ments, lastcomm prints information about all the commands recorded during the current accounting file's lifetime. The options are as follows: -f file 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: • 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: 'S' indicates the command was executed by the superuser, 'F' indicates the command ran after a fork, but without a following exec(3), 'C' indicates the command was run in PDP-11 compati- bility mode (VAX only), 'D' indicates the command terminated with the generation of a core file, and 'X' indicates the command was terminated with a signal.
/var/account/acct default accounting file
last(1), sigvec(3), acct(5), core(5), accton(8)
The lastcomm command appeared in 3.0BSD. MirOS BSD #10-current June 6, 1993 1
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