gistfile1.as

Just for my reference i am keeping it as following:
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private var os:String;
private var consoleExecutable:File;
private var consoleNativeProcess:NativeProcess;
private function usbMounted(e:StorageVolumeChangeEvent):void {
  	//status.appendText('Device: ' + e.storageVolume.name + ' mounted to drive: ' + e.storageVolume.drive + '\n');
    os = Capabilities.os.substr(0, 3).toLowerCase();
    switch (os) 
    {
        case "win"://Windows OS
            var rootDirs:Array = File.getRootDirectories();
            var i:int = 0;
            for (i; i < rootDirs.length; ++i) {
                consoleExecutable = rootDirs[i] as File;
                consoleExecutable  = consoleExecutable.resolvePath("Windows");
                if (consoleExecutable.exists == true) {
                    consoleExecutable = consoleExecutable.resolvePath("System32");
                    consoleExecutable = consoleExecutable.resolvePath("cmd.exe");
                    i = rootDirs.length;                                    
                }                   
            }
        break;
        case "lin":            //Linux OS        break;
        case "mac":            //Mac OS        break;
        case "iph":            //Iphone OS        break;
  }   
    
  var consoleNativeProcessStartupNfo:NativeProcessStartupInfo = new NativeProcessStartupInfo();
  consoleNativeProcessStartupNfo.executable = consoleExecutable;
  var startupArgs:Vector.<String> = new Vector.<String>();

  startupArgs.push('/C fsutil fsinfo volumeinfo ' + e.storageVolume.drive + ':');
  consoleNativeProcessStartupNfo.arguments = startupArgs;         
  consoleNativeProcess = new NativeProcess();
  consoleNativeProcess.addEventListener(ProgressEvent.STANDARD_OUTPUT_DATA, consoleOutput);           
  consoleNativeProcess.start(consoleNativeProcessStartupNfo);         
  consoleNativeProcess.closeInput();
}       

private function consoleOutput(e:ProgressEvent):void {
    var consoleOuput:String = consoleNativeProcess.standardOutput.readUTFBytes(consoleNativeProcess.standardOutput.bytesAvailable);
    switch (os) {
        case "win":            //Windows OS        break;
        case "lin":            //Linux OS        break;
        case "mac":            //Mac OS        break;
        case "iph":            //Iphone OS     break;
    }
    consoleNativeProcess.exit();
}