The EXEC statement identifies the program to be executed via a PGM=program name keyword. Its format is //jobname EXEC PGM=program name. The PARM= keyword can be used to pass external values to the executing
Latest Answer: EXEC statement refers to a PROGRAM or a PROCEDURE to be executed Syntax: //stepname   EXEC  PGM=pgm-name,parametersOR //stepname    EXEC   procedure-name,parametersParameters are1.Positional(pgm-name,procedure name) 2.Keyword (PARM,REGION,ACCT,COND,TIME) ...
The DD statement links the external dataset name (DSN) to the DDNAME coded within the executing program. It links the file names within the program code to the file names know to the MVS operating system.
Latest Answer: DD statement is the DATA DEFINITION Statement.It's function is to give a symbolic name to a file. This will allow a program to access a file through this name so that the file name may be changed without effecting the program. There are several ...
PROC stands for procedure. It is 'canned' JCL invoked by a PROC statement. An instream PROC is presented within the JCL; a catalogued PROC is referenced from a proclib partitioned dataset.
Latest Answer: I believe most give you the flavor of what it is. One of the main reasons for using a PROC is so that you can supply substitution variables. For example if you use a PROC to install software, you might supply a variable like &HLQ so that ...
A symbolic is a PROC placeholder; the value for the symbolic is supplied when the PROC is invoked, eg. &symbol=value. An override replaces the PROC's statement with another one; it substitutes for
Latest Answer: Symbolic parameters are placed in the EXEC statements , and during compilation of the JCL, will replace the value. A typical use of Symbolic variables is, we can write generic PROC to be executed in various test and production regions by using Symbolic ...
RESTART is a JOB statement keyword. It is used to restart the job at a specified step rather than at the beginning.
Latest Answer: Restart is a keyword which is used in mainframes to restart the perticular step in the job at not the begining ...
Datasets can be grouped in a DD statement one after another, eg. in a JOBLIB statement where the load module can exist in one of many datasets.
Latest Answer: For concatinating datasets through JCL, we can use MERGE Utility. Condition is that the datasets should be in sorted order. ...
DISP=OLD denotes exclusive control of the dataset; DISP=SHR means there is no exclusivity.
Latest Answer: DISP=OLD --> Exclusive HOLD. Read from beginning of dataset. But if u write, then it will overwrite on existing data. i.e old data is lost. DISP=MOD --> Exclusive HOLD. You can write to the end of the file without loosing your old ...
DISP=MOD is used when the dataset can be extended, ie, you can add records at the end of an existing dataset.
Latest Answer: mod is a key word which is used with disp parameter as DISP=MODIt is used for if the dataset already exit then add the records to dataset at end of the data set. ...
What are the keywords associated with DCB? How can you specify DCB information? What is the OS precedence for obtaining that DCB information, ie. where does the system look for it first?
The keywords associated with the DCB parameter are LRECL, RECFM, BLKSIZE and DSORG. The DCB information can be supplied in the DD statement. The sysem looks for DCB information in the program code first.
The comment statement is //* followed by the comments.
Latest Answer: 1. prefix the comment by //*2. use a space after writiing the parameters in the statement]3. anything written between 73-80 coloumn is considered as a comment ...
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