lastcomm --version (return code: 0)
lastcomm: GNU Accounting Utilities (release 6.6.4)
lastcomm --help (return code: 1)
Usage: lastcomm [-hpV] [-f file] [command] ... [user] ... [terminal] ...
[--forwards] [--file <file>] [--strict-match] [--print-controls]
[--user <name>] [--tty <name>] [--command <name>] [--debug]
[--show-paging] [--pid] [--ahz <freq>] [--version] [--help]
The system's default process accounting file is /var/log/account/pacct.