input-file

    Supplies one or more names of binary error log files from which
    events are to be copied to a new binary error log file.

    If you do not specify an input file name, the default input file
    name is SYS$ERRORLOG:ERRLOG.SYS. If you do not specify a device
    and directory, the system defaults to your current device and
    directory. If you do not specify a file name, the default file
    name is ERRLOG. If you do not specify a file type, the default
    file type is .SYS.