在IBMSystem／38中，位于系统部件上并与系统控制台邻接的一种面板，它包含主要用于系统启动或维护时所需的指示灯和开关。
In System/38, a panel located adjacent to the system console on the system unit that contains lights and switches that are used primarily when the system is started or serviced.
用于修饰或说明有权从一终端使用某些系统控制命令。
Pertaining to a user entitled to execute certain system control commands from a terminal.
从计算站记帐和操作系统控制的角度看，一个作业通常指一个外部指定的任务单位。一个作业包含一个或多个作业步。
An externally specified unit of work for the computing system from the stand- point of installation accounting and operating system control. A job consists of one or more job steps.
