Before continuing with the next chapter, you should read the following in the Control-M for z/OS User Guide
In Chapter 1
Introduction to Control-M components
Prerequisite condition concept
Date concepts
In Chapter 2
Introduction to the Scheduling Definition Facility
Description of the following Scheduling Definition Facility screens including their formats, options and commands
Entry Panel
Table List screen
Job List screen
Description of the layout of the Job Scheduling Definition screen and the fields in the screen
Topics "Exiting the Scheduling Definition Facility" and "Ordering (Scheduling) Jobs" in the Scheduling Definition facility description
Introduction to the Active Environment screen and the description of its fields
Descriptions of the Control-M and IOA Log screens
In Chapter 3
Detailed descriptions of the parameters you have already used: CONFIRM, DAYS, DESC, GROUP, IN, MEMLIB, MEMNAME, OUT
Note: The description of the parameter DAYS is quite detailed. Read it for a general understanding of parameter usage and possible parameter formats, without trying to memorize all the detail. For now, you can skip the information related to subparameters DCAL and AND/OR.