ModemManager [--version] | [--help]

       ModemManager [--debug] [--log-level=<level>] [--log-file=<filename>] [--timestamps] [--relative-timestamps]

       The ModemManager daemon provides a unified high level API for communicating with (mobile broadband) modems. While the basic commands are standardized, the more advanced operations (like signal qual‐
       ity monitoring while connected) varies a lot.

       ModemManager is a system daemon and is not meant to be used directly from the
              command line.

       The following options are supported:

              Print the ModemManager software version and exit.

       --help Print ModemManager's available options and exit.

              Runs ModemManager with "DEBUG" log level and without daemonizing. This is useful for debugging, as it directs log output to the controlling terminal in addition to syslog.

              Sets how much information ModemManager sends to the log destination (usually syslog's "daemon" facility). By default, only informational, warning, and error messages are logged.  Given  level
              must be one of "ERR", "WARN", "INFO" or "DEBUG".

              Specify location of the file where ModemManager will dump its log messages, instead of syslog.

              Include absolute timestamps in the log output.

              Include timestamps, relative to the start time of the daemon, in the log output.

       SEE ALSO

                                                                                               31 October 2011                                                                                MODEMMANAGER(8)

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