IMS Queue Control Facility terminology
IMS Queue Control Facility includes several unique terms that you should understand before you begin to use IMS Queue Control Facility.
- Functions
- Functions are the tasks that IMS Queue Control Facility performs for you: BROWSE, LOAD, QUERY, RECOVER, REPROCESS, and UNLOAD. The functions are also used as the keywords that you specify in control statements.
- Procedures
- Procedures are sets of tasks to accomplish a function of IMS Queue Control Facility.
Procedures are usually called PROCs and are also reusable components that contain application program control statements and parameter definitions.
- Routines
- Routines are the application program exit routines or other internal logic components that are called in order to perform the functions of IMS Queue Control Facility.
- Jobs
- Jobs are JCL job streams that are made up of different cards, control statements, and optionally symbolic parameters, and comments. These JCL job streams are the jobs that you submit to run the IMS Queue Control Facility functions in a true batch mode.