如果没有打印机驱动程序，应用程序生成的命令将被直接打印成文本，从而造成纸张浪费。
Without the printer driver, the commands that the application generates will be printed directly as text, resulting in reams of garbage.
这使用了一种虚拟打印机的形式—即将文本文档打印为某种格式，这种格式可以被保存到文件中并一定程度上防止其他作者修改。
This USES a form of a virtual printer-basically printing the text document to a format that can be saved to file and somewhat protected from other authors.
含有 SNA 字符流 (SCS) 数据的 spool 文件包含 EBCDIC 编码的文本数据，用于打印机输出。
Spool files with SNA Character Stream (SCS) data contain printer output that is formatted as EBCDIC text data.
应用推荐