Each user has the functional equivalent of a real, dedicated computing system. VM/SP consists of CP, CMS, RSCS and IPCS. This is a proven technique.

• VM/SP由控制程序(CP)、会话监督系统(CMS)、远程Spooling通信子系统(RSCS)和交互型问题控制系统(1PCS)组成,是一项较成熟的技术。