The text recommends how to solve some conflict problems thathappened at the same time when every terminal users use the printer under the UNIX/XENIX operating system, and gives users four ways to solve conflict problems whenthey share terminal printer.
介绍了在UNIX／XENIX操作系统环境下如何解决各终端用户同时使用打印机情况下产生冲突问题，并给出了实现共享终端打印机解决冲突的四种方法。
The hardware connection and GPRS module setting between the GRPS network and the wireless print terminal are introduced.
介绍了GPRS(General PacketRad io Service)无线通信网与无线打印终端系统之间的硬件连接和GPRS模块设置,详细地分析了实时数据通信流程、通信协议设计和各软件层次的实现方法,最后给出了嵌入式TCP/IP在RABB IT3000上的应用方法,达到了移动支付即时获取的设计目的,取得了良好的经济效益和社会效益。