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LASTCOMM(1)                                                        LASTCOMM(1)

       lastcomm -  print out information about previously executed commands.

              [ command-name ...  ]
              [ user-name ...  ]
              [ terminal-name ...  ]
              [ --strict-match ]
              [ -f filename | --file filename ]
              [ --user name ] [ --command name ] [ --tty name ]
              [ --debug ] [ -pid ] [ -V | --version ] [ -h | --help ]

       lastcomm  prints  out  information about previously executed commands.  If no arguments are specified, lastcomm
       will print info about all of the commands in acct (the record file).  If called with one or  more  of  command-
       name, user-name, or terminal-name, only records containing those items will be displayed.  For example, to find
       out which users used command 'a.out' and which users were logged into 'tty0', type:
                                                     lastcomm a.out tty0

       This will print any entry for which 'a.out' or 'tty0' matches in any of the record's fields (command, name,  or
       terminal).   If you want to find only items that match *all* of the arguments on the command line, you must use
       the '-strict-match' option.  For example, to list all of the executions of command a.out by user root on termi-
       nal tty0, type:
                                           lastcomm --strict-match a.out root tty0

       The order of the arguments is not important.

       For each entry the following information is printed:
          + command name of the process
          + flags, as recorded by the system accounting routines:
               S -- command executed by super-user
               F -- command executed after a fork but without a following exec
               C -- command run in PDP-11 compatibility mode (VAX only)
               D -- command terminated with the generation of a core file
               X -- command was terminated with the signal SIGTERM
          + the name of the user who ran the process
          + time the process started

              Print only entries that match *all* of the arguments on the command line.

       --user name
              List records for user with name.  This is useful if you're trying to match a username that happens to be
              the same as a command (e.g., ed ).

       --command name
              List records for command name.

       --tty name
              List records for tty name.

       -f filename, --file filename
              Read from the file filename instead of acct

       --pid  add pid of the process and pid of the process parent to the output (pid is the last but one  and  parent
              pid  the last column).  These values are shown only when they are generated by acct function (depends on
              the version of kernel)

              Print verbose internal information.

       -V, --version
              Print the version number of lastcomm.

       -h, --help
              Prints the usage string and default locations of system files to standard output and exits.

              The system wide process accounting file. See acct(5) (or pacct(5)) for further details.

       The GNU accounting utilities were written by Noel Cragg <>. The man page  was  adapted  from
       the accounting texinfo page by Susan Kleinmann <>.

       last(1), acct(5)

                                1995 October 31                    LASTCOMM(1)