job control

名词 job control:

1. a program that is called to prepare each job to be run

1. 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.
   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。