Z-TEK USB转RS232串口驱动文件，网上很难找到，今天我吧它贴出来，希望能帮助大家！,Z-TEK USB TO RS232 Converter

it is valid and won t generate an error message in any DOS or Windows version. Labels, on the other hand, whether valid or not, should always start at the first non-whitespace character in a command line.