What does /* do in JCL?
(7) /* marks the end of in stream data. All the JCL statements except in stream data starts with //. There should be at least one space before and after JOB, EXEC and DD keywords and there should not be any spaces in rest of the statement.
What is /* in mainframe?
/* delimiter. Indicates the end of data placed in the input stream.
What is spool in mainframe?
To spool (which stands for “simultaneous peripheral operations online”) a computer document or task list (or “job”) is to read it in and store it, usually on a hard disk or larger storage medium so that it can be printed or otherwise processed at a more convenient time (for example, when a printer is finished printing …
What is load parm in mainframe?
The IPL load parameter can be used to specify the preferred system console device, IPL message suppression, IPL prompting, prompting for the system startup mode, and the debug mode for installation from disk.
What is Copylib in mainframe?
COPYLIB is a private library specifies that where the copy books are available. COPYLIB libraries are of type PDS. Each member in the PDS is a user written COBOL source code which is a part of actual program. COPYLIB can be used to search the copy books used in the library during the compilation of the program.
How do I continue a parameter field in JCL statements?
For all other JCL statements, you can continue the parameter field or the comments field on the JCL statement. If you continue both the parameter field and the comments field on the same record , the system ignores the indication to continue the comment. How you continue a parameter field depends on whether the parameter is enclosed in apostrophes.
What is the structure of JCL statement?
JCL Statement Structure: 1 Identifier Field: The identifier field identifies a record as a JCL statement. 2 Name Field: It follows identifier field. The name field associates a name with a JCL statement. 3 Operation Field: The operation field follows the name field and it specifies the statements function.
How many slashes do you put in a JCL statement?
For most JCL statements, the identifier field occupies the first two character positions and must contain two slashes (//). There are two exceptions. First, the delimiter statement has a slash in column 1 and an asterisk in column 2 (/*).
How many bytes are required to code a JCL statement?
JCL statements are coded in 80 bytes. 72 of the 80 columns are available to code JCL. Last 8 columns are reserved for an optional sequence number. Each JCL statement is divided into several fields. 1. Identifier Field: The identifier field identifies a record as a JCL statement.