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For an output FILE DUMMY SPECIFIES that the output is to be discarded for INPUT it specifies that the File is EMPTY.

For an output File DUMMY specifies that the output is to be discarded for input it specifies that the File is empty.

TIME parameter can be used to OVERCOME S322 abends for programs that genuinely need more CPU time TIME=1440 MEANS no CPU time LIMIT is to be applied to this STEP

TIME parameter can be used to overcome S322 abends for programs that genuinely need more CPU time TIME=1440 means no CPU time limit is to be applied to this step

To override the REGION defined at the JOB CARD level REGION SPECIFIES the max region size REGION=0K or 0M or omitting REGION MEANS no limit will be applied

To override the REGION defined at the JOB card level REGION specifies the max region size REGION=0K or 0M or omitting REGION means no limit will be applied

An Operation exception error indicates that an operation code is not assigned or the assigned operations not available on a particular computer MODEL. The machine does not recognize the instruction or operation used. A possible reasons a subscript error. This error could also be caused by an ATTEMPT to read a file that was not opened a MISSPELLED DD statement. The system COMPLETION code is 0C1.

An Operation exception error indicates that an operation code is not assigned or the assigned operations not available on a particular computer model. The machine does not recognize the instruction or operation used. A possible reasons a subscript error. This error could also be caused by an attempt to read a file that was not opened a misspelled DD statement. The system completion code is 0C1.

16 EXTENTS on a VOLUME for a Sequential FILE and 123 for a VSAM File

16 extents on a volume for a Sequential File and 123 for a VSAM File

The SPACE ALLOCATED when the Data Set is first CREATED.

The space allocated when the Data Set is first created.

The compiler outputs the source code into the object DECK in a form to be read by the linkage editor. The linkage editor combines the object dataset (object deck) from the compiler with machine language code for input/output and other tasks to CREATE an EXECUTABLE load MODULE.

The compiler outputs the source code into the object deck in a form to be read by the linkage editor. The linkage editor combines the object dataset (object deck) from the compiler with machine language code for input/output and other tasks to create an executable load module.

In-stream procedures are built by coding a set of statements and placing them after the JOB statement and before the EXEC statement. In-stream procedures begin with a PROC statement and end with a PEND statement. Up to 15 in-stream procedures can be included in a single job.

Each in-stream procedures may be INVOKED several TIMES within the job. In-stream procedures can USE symbolic parameters in the same way as catalogued procedures.

In-stream procedures are built by coding a set of statements and placing them after the JOB statement and before the EXEC statement. In-stream procedures begin with a PROC statement and end with a PEND statement. Up to 15 in-stream procedures can be included in a single job.

Each in-stream procedures may be invoked several times within the job. In-stream procedures can use symbolic parameters in the same way as catalogued procedures.

ASSOCIATED IT DCB stands for DATA control block; it is a keyword for the DD statement used to DESCRIBE Data Sets Keywords associated with it are BLKSIZE, DEN, LRECL and RECFM.

Associated IT DCB stands for data control block; it is a keyword for the DD statement used to describe Data Sets Keywords associated with it are BLKSIZE, DEN, LRECL and RECFM.

A job is identified to the system by the use of job name. Jobnames can range from one to eight alphabetic characters. The first CHARACTER must begin in column 3 and be alphabetic (A-Z). Jobs should be GIVEN unique names SINCE duplicate jobnames will not execute until any job having the same JOBNAME completes execution.

A job is identified to the system by the use of job name. Jobnames can range from one to eight alphabetic characters. The first character must begin in column 3 and be alphabetic (A-Z). Jobs should be given unique names since duplicate jobnames will not execute until any job having the same jobname completes execution.

The purpose of the JOB statement is to INFORM the OPERATING system of the start of a job, give necessary accounting INFORMATION and SUPPLY run parameters. Each job must begin with a SINGLE JOB statement.

The purpose of the JOB statement is to inform the operating system of the start of a job, give necessary accounting information and supply run parameters. Each job must begin with a single JOB statement.

It is an INTERFACE between OPERATING system (MVS) & the application PROGRAM. When TWO related programs are combined together on control statements, it is CALLED job control language

It is an interface between operating system (MVS) & the application program. When two related programs are combined together on control statements, it is called job control language

JCL, which changes during run TIME, that is the values for the JCL such as program name, DD name will change. The same JCL can be used for various JOBS, EQUIVALENT to DYNAMIC SQL.

JCL, which changes during run time, that is the values for the JCL such as program name, dd name will change. The same JCL can be used for various jobs, equivalent to dynamic SQL.

15.

15.

The JOB, EXEC and DD STATEMENT

The JOB, EXEC and DD statement

JES3 allocates Data SETS for all the steps before the job is SCHEDULED. In JES2, allocation of Data Sets required by a step is done only just before the step executes. JOB /EXEC/DD ALL PARAMETERS JOBLIB/STEPLIB PROCEDURES, PARAMETERS PASSING CONDITION VARIABLES ABEND CODES.

JES3 allocates Data Sets for all the steps before the job is scheduled. In JES2, allocation of Data Sets required by a step is done only just before the step executes. JOB /EXEC/DD ALL PARAMETERS JOBLIB/STEPLIB PROCEDURES, PARAMETERS PASSING CONDITION VARIABLES ABEND CODES.

An INCLUDE STATEMENT identifies a member of a PDS that CONTAINS this SET of JCL statements is called an INCLUDE group. The system replaces the INCLUDE statement with the statements in the INCLUDE group.

An INCLUDE statement identifies a member of a PDS that contains this set of JCL statements is called an INCLUDE group. The system replaces the INCLUDE statement with the statements in the INCLUDE group.

A GDG BASE is created in the system catalog and keeps TRACK of the GENERATION numbers used for datasets in the group. IDCAMS utility is used to define the GDG base for MVS/XA, and MVS/ESA. Older systems REQUIRED that the IEHPROGM utility be used.

A GDG base is created in the system catalog and keeps track of the generation numbers used for datasets in the group. IDCAMS utility is used to define the GDG base for MVS/XA, and MVS/ESA. Older systems required that the IEHPROGM utility be used.

A generation DATA Group is a group of chronologically or functionally RELATED datasets. GDGs are processed periodically, often by adding a new generation, retaining previous GENERATIONS, and sometimes discarding the OLDEST generation.

A generation Data Group is a group of chronologically or functionally related datasets. GDGs are processed periodically, often by adding a new generation, retaining previous generations, and sometimes discarding the oldest generation.

JCL STANDS for JOB CONTROL LANGUAGE

JCL stands for Job Control Language