在编目或流内过程中使用的一种作业控制语句，可用来对包含在过程中的符号参数赋予系统设定值。对流内过程，用来标志过程的开始。 A job control statement used in cataloged or in-stream procedures. It can be used to assign default values for symbolic parameters contained in a procedure. For in-stream procedures, it is used to mark the beginning of the procedure.
由用户定义让计算机去完成的一种工作单位。习惯上说，“作业”这个术语通常指的是作业的一种表述，这种表述可以包括一组计算机程序、一组文卷及一些给操作系统下达命令的控制语句。 A unit of work that is defined by a user and that is to be accomplished by a computer. Loosely, the term "job" is sometimes used to refer to a representation of a job. This representation may include a set of computer programs, files, and control statements to the operating system.
