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 |
JCL Statements JOB : For Job Definition EXEC : For Instruction for Execution DD : For Data Definition • There are primarily 3 types of JCL statements. • Most of the JCL code is made up of these 3 types of statements namely the JOB Statement, the EXEC Statement and the DD Statement. • The other types of statements are Null Statement, Comment Statements and some special statements. JOB Statement • JOB statement is the first statement in any JCL segment. • Identifies the beginning of a job to the OS. • Has several positional and keyword parameters. Example: //JCLWORLD JOB ,,NOTIFY=&SYSUID,,MSGLEVEL=(1,1),MSGCLASS=X |
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