```
bitcoind -par=1
```

Excerpt from the `debug.log`:

```
Using 0 threads for script verification
```

Zero? I guess not ;)
{
    const CChainParams& chainparams = Params();
    
    if (!CreatePidFile()) {
        
        return false;
    }
    if (LogInstance().m_print_to_file) {
        if (gArgs.GetBoolArg("-shrinkdebugfile", LogInstance().DefaultShrinkDebugFile())) {
            
            
            LogInstance().ShrinkDebugFile();
        }
    }
    if (!LogInstance().StartLogging()) {
            return InitError(strprintf("Could not open debug log file %s",
                LogInstance().m_file_path.string()));
    }
    if (!LogInstance().m_log_timestamps)
        LogPrintf("Startup time: %s\n", FormatISO8601DateTime(GetTime()));
    LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
    LogPrintf("Using data directory %s\n", GetDataDir().string());
    
    fs::path config_file_path = GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME));