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.
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。
On the outside; externally.
在外面；外表上地
