A logical device that has the characteristics of a terminal but has no terminal associated with it. Pseudo-keyboards let one job control other jobs on the system, and are especially useful for batch operations.

• 一种逻辑设备,具有终端的特性参数,但没有终端和它相连。伪键盘使一个作业可以控制系统上的其它作业,这对批量操作特别有用。