标题翻译:About Batch Processing

　　·You must name each batch file with an extension of .bat.
　　·To execute a batch file，you type only its filename and not the extension.
　　·You can specify the name of another batch file as the last command in a batch file.This feature allows you to call one batch file from another when the first has finished.
　　·You can use any of the redirection symbols in a batch file.
　　·You may use an @ character at the front of a command line in a batch file to prevent that line from echoing.
　　·You can use the pipe symbol in a batch file.
　　
　　●关于批处理
　　在运行MS_DOS的批处理之前，你应了解以下事项：
　　·你必须给每一批文件取一个带扩展名.BAT的文件名。
　　·要搪行一个批文件，你只需键入文件名不而需键入扩展名。
　　·在一个批文件肿的最后一条命令可以是另一批文件名。这一特征允许你在第一个批文件结束时调用另一批文件。
　　·在一个批命令行回显。
　　·在批文件中可以使用管道符号。