JCL Basics What is JCL? Job Entry Subsystem Job Processing JCL Statements JCL Parameters JOB Statement Job Statement Parameters for Job Positional Parameters ACCT NAME Keyword Parameters MSGLEVEL MSGCLASS TYPRUN PRTY CLASS RESTART REGION TIME NOTIFY EXEC Statement EXEC Statement Positional Parameters PGM PROC Keyword Parameters COND PARM ADDRSPC DD statement DD statement DD Parameters SPACE SYSIN VOL DCB SYSOUT DSN UNIT DISP |
Parameters in DD statement SYSIN VOL DCB SYSOUT DSN UNIT DISP • DD statements are used to describe the data sets that must be allocated for a job step. • The DD statement provides the system with the information about a data set, such as its, storage requirements, organization & record length. • Depending on whether the data set is new or old, temporary or permanent, and cataloged or uncataloged, DD statement parameter can be coded in various combinations, The DD statements (Data Definition), are used to identify the source of input and output files. • There are several parameters for this statement and are discussed in detail in the next slides. |