Basic concept of jcl
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This document is a 2004 IBM presentation on the basic concepts of JCL (Job Control Language) for IBM mainframes. It was presented by Anil Kumar Bharti and consists of over 100 slides copyrighted by IBM covering introductory information about JCL, its purpose in scheduling and running jobs on IBM mainframe computers, basic JCL statement types like JOB, EXEC, DD, and common control statements. The presentation provides a high-level overview of JCL without going into detailed examples or code.
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EXEC Statement is used to identify program name or procedure name.
Maximum we can code 255 EXEC statements in a JOB.
In EXEC statement has two kinds of parameters
Position parameter Keyword parameter
PGM TIME , COND
PROC REGION , PARM
If you not mention any thing default it takes PROC
PGM
This is a positional parameter which must be coded after EXEC with one blank. This parameter indicates the name of program (or) procedure name
Syntax
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PROC = PROCEDURE NAME
PARM
It is keyword parameter and it is mainly used for passing the data to another program.
To pass input to Application program
To invoke complier option.
This is a keyword parameter at activity / step level must be coded with exec operand after PGM parameter.
This parameter allows MAX(100) characters.
To receive PARM parameter data, Cobol program must be coded with Procedure Division Using Parameter option.
These parameters must be declared in the linkage section.
DATA DESCRIPTOR STATEMENT ( DD STMT)
It is used to identify files( input and output ) used in JCL
DD name act as a bridge b/w Cobol program and execution JCL
In DD statement has two kinds of parameters.
Position Parameter Keyword Parameter
* DSN,DISP
DATA SPACE,UNIT
DUMMY DCB,VOLUME
*
Position parameter at DD level used with SYSIN to pass data to Cobol programs this is known as In stream data any number of records can be passed to the program.
In stream data is used to pass values from JCL to Cobol dynamically.
To accept the values in Cobol program, we should have equivalent accept verbs.
Syntax
//SYSIN DD * ------- Entry of in stream data
100
200
/* ---------------------- End of in stream data
DATA
We can pass any thing to another program including special character
Syntax
//SYSIN DD DATA
100
/*
200
/*
DUMMY
All files are treated as End of the file
Syntax
//SYSIN DD DUMMY
NOTE
There is no input to the application all input files treated as End of the file.
DSN
Through DSN we can refer temporary / permanent file
Is a physical space or file where the records will be stored.
DISP
DISP parameter is used to identify the mode of the file.
DISP= ( STATUS, NORMAL , ABNORMAL )
TERMINATION TERMINATION
NEW DELETE DELETE
OLD KEEP KEEP
SHR CATLG CATLG
MOD UNCATLG UNCATLG
NEW Creating the data set first time
OLD Already created accessing the data set all resources are allocated exclusively . No other user can until is released by the current user. If dataset is not existing this creates.
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MOD Appending the records to the existing record
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EXEC STATEMENT(EXEC)
EXEC Statement is used to identify program name or procedure name.
Maximum we can code 255 EXEC statements in a JOB.
In EXEC statement has two kinds of parameters
Position parameter Keyword parameter
PGM TIME , COND
PROC REGION , PARM
If you not mention any thing default it takes PROC
PGM
This is a positional parameter which must be coded after EXEC with one blank. This parameter indicates the name of program (or) procedure name
Syntax
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PROC = PROCEDURE NAME
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It is keyword parameter and it is mainly used for passing the data to another program.
To pass input to Application program
To invoke complier option.
This is a keyword parameter at activity / step level must be coded with exec operand after PGM parameter.
This parameter allows MAX(100) characters.
To receive PARM parameter data, Cobol program must be coded with Procedure Division Using Parameter option.
These parameters must be declared in the linkage section.
DATA DESCRIPTOR STATEMENT ( DD STMT)
It is used to identify files( input and output ) used in JCL
DD name act as a bridge b/w Cobol program and execution JCL
In DD statement has two kinds of parameters.
Position Parameter Keyword Parameter
* DSN,DISP
DATA SPACE,UNIT
DUMMY DCB,VOLUME
*
Position parameter at DD level used with SYSIN to pass data to Cobol programs this is known as In stream data any number of records can be passed to the program.
In stream data is used to pass values from JCL to Cobol dynamically.
To accept the values in Cobol program, we should have equivalent accept verbs.
Syntax
//SYSIN DD * ------- Entry of in stream data
100
200
/* ---------------------- End of in stream data
DATA
We can pass any thing to another program including special character
Syntax
//SYSIN DD DATA
100
/*
200
/*
DUMMY
All files are treated as End of the file
Syntax
//SYSIN DD DUMMY
NOTE
There is no input to the application all input files treated as End of the file.
DSN
Through DSN we can refer temporary / permanent file
Is a physical space or file where the records will be stored.
DISP
DISP parameter is used to identify the mode of the file.
DISP= ( STATUS, NORMAL , ABNORMAL )
TERMINATION TERMINATION
NEW DELETE DELETE
OLD KEEP KEEP
SHR CATLG CATLG
MOD UNCATLG UNCATLG
NEW Creating the data set first time
OLD Already created accessing the data set all resources are allocated exclusively . No other user can until is released by the current user. If dataset is not existing this creates.
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MOD Appending the records to the existing record
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3. Run the HD Reorganization Unload (DFSURGU0) utility to unload all segments from the database to a sequential file.
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American Family Insurance enlisted athletes J.J. Watt and Kevin Durant as brand ambassadors to connect with customers and fans. However, they needed data to understand how to best engage fans and showcase the athletes. Networked Insights analyzed social media data around the athletes and found fans engaged most when they showed support for others. This insight guided American Family Insurance's creative strategy, media placements, and goal to position itself as championing customers' dreams. Networked Insights continues measuring the effectiveness of the insurer's campaigns featuring athletes.What's New in File-AID 16.03
What's New in File-AID 16.03Compuware
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Compuware product managers Irene Ford, Bill Mackey and Jonathan Manley discuss and demo some of File-AIDs new and notable enhancements, including:
- File-AID for MVS: the use of 64-Bit storage when working with larger datasets; multi-dataset Search/Update functionality; and new Compare functionality designed to allow users to consolidate their Compare needs onto File-AID for MVS.
- File-AID for IMS and DB2: IBM Health Checker for z/OS support; customer requested enhancements that have been implemented in File-AID for IMS and File-AID for DB2; and enhancements to product architecture that address performance and usage of z/OS Unix.
- Test Data Privacy and File-AID/EX: list variable support; new functions in rule logic; disguise of CLOB and XML columns; improved handling of DISTINCT data types; and more.
Jcl faqs
Jcl faqskapa rohit
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A Generation Data Group (GDG) is a group of chronologically or functionally related datasets that are processed periodically by adding new generations and retaining or discarding old generations. A GDG base is created using IDCAMS utility to define the base and track generation numbers. A model dataset provides DCB parameters for the GDG and must be cataloged. GDGs can be concatenated by specifying each dataset name and generation number, or omitting the generation number to include all generations. A new GDG is coded as (+1) after the dataset name to push down existing generations by one level.Job scheduling
Job schedulingSanjay Singh
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The document describes an interval scheduling problem where jobs have start and end times and the goal is to schedule as many jobs as possible on a processor without overlapping jobs. It discusses using a greedy algorithm to solve this by considering jobs in order of increasing finish time and selecting a job if it does not overlap previously selected jobs. The algorithm runs in O(n log n) time, sorting jobs by finish time first, then selecting non-overlapping jobs in order, for a total time that is polynomial in n.Database Archiving - Managing Data for Long Retention Periods
Database Archiving - Managing Data for Long Retention PeriodsCraig Mullins
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This document discusses database archiving and long-term data storage. It notes that data retention requirements are increasing in terms of volume, length of retention, and types of data. Traditional solutions like keeping data in operational databases or backups are inadequate for long-term archiving. An effective solution requires a separate archive system that can store large amounts of data long-term, maintain independence from original applications and databases, and access and discard data as needed according to retention policies.IBM Utilities
IBM UtilitiesAnil Bharti
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1. The document discusses various IBM mainframe utility programs that are used to perform tasks related to scheduling, datasets, and systems. Some examples provided include IEFBR14, IEBCOMPR, IEBCOPY, IEBGENER, and IDCAMS.
2. Many IBM utilities were originally developed by users and then modified by IBM. They typically use common JCL statements like SYSIN, SYSUT1, SYSUT2, and SYSPRINT.
3. The utilities covered in the document include scheduler utilities, dataset utilities, and system utilities that can be used for tasks like copying, compressing, comparing, updating, and managing datasets and catalogs.Recently uploaded (20)
How to Unblock Payment in Odoo 18 Accounting
How to Unblock Payment in Odoo 18 AccountingCeline George
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In this slide, we will explore the process of unblocking payments in the Odoo 18 Accounting module. Payment blocks may occur due to various reasons, such as exceeding credit limits or pending approvals. We'll walk through the steps to remove these blocks and ensure smooth payment processing.BISNIS BERKAH BERANGKAT KE MEKKAH ISTIKMAL SYARIAH
BISNIS BERKAH BERANGKAT KE MEKKAH ISTIKMAL SYARIAHcoacharyasetiyaki
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BISNIS BERKAH BERANGKAT KE MEKKAH ISTIKMAL SYARIAHDigital Tools with AI for e-Content Development.pptx
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This ppt is useful for not only for B.Ed., M.Ed., M.A. (Education) or any other PG level students or Ph.D. scholars but also for the school, college and university teachers who are interested to prepare an e-content with AI for their students and others.ITI Turner Question Paper MCQ E-Book Free Download
ITI Turner Question Paper MCQ E-Book Free DownloadSONU HEETSON
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ITI Turner Question Paper MCQ Book PDF Free Download. All Questions collected from NIMI Mock Test, CTS Bharat Skills Question Bank, Previous Exam papers. Helpful for CTS Trade Theory 1st & 2nd Year CBT Exam,油Apprentice test, AITT, ISRO, DRDO, NAVY, ARMY, Naval Dockyard, Tradesman, Training Officer, Instructor, RRB ALP CBT 2,油Railway Technician, CEPTAM, BRO, PWD, PHED, Air India, BHEL, BARC, IPSC, CISF, CTI, HSFC, GSRTC, GAIL, PSC, Viva, Tests, Quiz油& all other technical competitive exams.NUTRITIONAL ASSESSMENT AND EDUCATION - 5TH SEM.pdf
NUTRITIONAL ASSESSMENT AND EDUCATION - 5TH SEM.pdfDolisha Warbi
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NUTRITIONAL ASSESSMENT AND EDUCATION, Introduction, definition, types - macronutrient and micronutrient, food pyramid, meal planning, nutritional assessment of individual, family and community by using appropriate method, nutrition education, nutritional rehabilitation, nutritional deficiency disorder, law/policies regarding nutrition in India, food hygiene, food fortification, food handling and storage, food preservation, food preparation, food purchase, food consumption, food borne diseases, food poisoning
Intellectual Honesty & Research Integrity.pptx
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Research Publication & Ethics contains a chapter on Intellectual Honesty and Research Integrity.
Different case studies of intellectual dishonesty and integrity were discussed.
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This course provides students with a comprehensive understanding of strategic management principles, frameworks, and applications in business. It explores strategic planning, environmental analysis, corporate governance, business ethics, and sustainability. The course integrates Sustainable Development Goals (SDGs) to enhance global and ethical perspectives in decision-making.
Meeting the needs of modern students?, Selina McCoy
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NAPD Annual Symposium
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How to Setup WhatsApp in Odoo 17 - Odoo 際際滷s
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Integrate WhatsApp into Odoo using the WhatsApp Business API or third-party modules to enhance communication. This integration enables automated messaging and customer interaction management within Odoo 17.
The Constitution, Government and Law making bodies .
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This PowerPoint presentation provides an insightful overview of the Constitution, covering its key principles, features, and significance. It explains the fundamental rights, duties, structure of government, and the importance of constitutional law in governance. Ideal for students, educators, and anyone interested in understanding the foundation of a nations legal framework.
Essentials of a Good PMO, presented by Aalok Sonawala
Essentials of a Good PMO, presented by Aalok SonawalaAssociation for Project Management
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APM event hosted by the South Wales and West of England Network (SWWE Network)
Speaker: Aalok Sonawala
The SWWE Regional Network were very pleased to welcome Aalok Sonawala, Head of PMO, National Programmes, Rider Levett Bucknall on 26 February, to BAWA for our first face to face event of 2025. Aalok is a member of APMs Thames Valley Regional Network and also speaks to members of APMs PMO Interest Network, which aims to facilitate collaboration and learning, offer unbiased advice and guidance.
Tonight, Aalok planned to discuss the importance of a PMO within project-based organisations, the different types of PMO and their key elements, PMO governance and centres of excellence.
PMOs within an organisation can be centralised, hub and spoke with a central PMO with satellite PMOs globally, or embedded within projects. The appropriate structure will be determined by the specific business needs of the organisation. The PMO sits above PM delivery and the supply chain delivery teams.
For further information about the event please click here.Basic concept of jcl
- 1. 息 2004 IBM Corporation IBM ^ IBM Mainframe Basic Concept Of JCL Presented By : Anil Kumar Bharti
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Editor's Notes
- #6: The action bar appears at the very top of the panel, and the choices presented vary from panel to panel.
- #12: PA1 Attention: Interrupt the current position. PA2 Reshow: Redisplay the current screen. PF1/13 Help: Enter the tutorial, or view help. PF2/14 Split: Enter split screen mode. PF3/15 End: Terminate the current operation.