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单用户CP/M和多用户MP/M的特点是所有依赖于硬件的程序放在一个独立的I/O模块中。这种设计思想使得CP/M系统对不同机种的软件移植工作仅局限于这一模块。CP/NET网络操作系统也采用了同样的设计方法,从属机网络I/O系统(SNIOS)模块包括了为请求站服务的所有依赖于网络硬件的程序,而服务于请求站请求信息的服务站通讯接口模块NET-WRKIF也包含了所有依赖硬件的程序。如同CP/M系统移植一样,整个CP/NET的系统软件
The unique feature of single-user CP / M and multi-user MP / M is that all hardware-dependent programs are placed in a separate I / O module. This design idea makes CP / M system software migration of different models is limited to this module. The same design approach is also used in the CP / NET network operating system. The Slave Network I / O System (SNIOS) module includes all the network-dependent hardware-dependent programs that service the requesting station and the service station that serves the requesting station’s request information The communication interface module NET-WRKIF also contains all the hardware-dependent programs. As CP / M system transplantation, the entire CP / NET system software