ILE COBOL Language Reference
This reference provides information about the ILE COBOL programming
language on the IBM Operating System/400 (formerly OS/400) system. It
is intended for people who have a basic understanding of data processing
concepts and of the COBOL programming language.
Before using this reference, you should be familiar with certain OS/400
system information:
- You should be familiar with your display station (also known as a work
station), and its controls. There are also some elements of its display
and certain keys on the keyboard that are standard regardless of which
software system is currently running at the display station, or which hardware
system the display station is hooked up to. Some of these keys
are:
- Cursor movement keys
- Command keys
- Field exit keys
- Insert and Delete keys
- The Error Reset key
- You should know how to operate your display station when it is attached to
the IBM iSeries system and running iSeries software. This means knowing
about the operating system and the Control Language (CL) to do such things
as:
- Sign on and sign off the display station
- Interact with displays
- Use Help
- Enter CL commands
- Call utilities
- Respond to messages
To find out more about this operating system and its control language,
refer to the CL and APIs section of the Programming
category in the iSeries Information Center at this Web site -http://www.ibm.com/eserver/iseries/infocenter.
You can also refer to the CL Programming
publication.
- You should be familiar with the Data Management topic in the
Information Center, which provides detailed descriptions of the entries and
keywords needed to describe database files and certain device files external
to the user's program.
- You should be familiar with the DDS Reference topic in the
Information Center manual, which provides information on using data management
support and allows an application to work with files.
The manual includes information on:
- Fundamental structure and concepts of data management support on the
system
- Data management support for display stations, printers, tapes, and
diskettes, as well as spooling support
- Overrides and file redirection (temporarily making changes to files when
an application is run)
- Copying files by using system commands to copy data from one place to
another
- Tailoring a system using double-byte data
- You should know how to call and use certain utilities available on the
iSeries system:
- The screen design aid (SDA) is used to design and code displays.
This information is contained in ADTS for AS/400:
Screen Design Aid.
- The source entry utility (SEU), is a full-screen editor you can use to
enter and update your source and procedure members. This information is
contained in ADTS for AS/400: Source Entry
Utility.
- The programming development manager (PDM) utility is a list-processing
tool you can use to work with lists of libraries, objects, members, and
user-defined options. This information is contained in ADTS/400: Programming Development Manager.
- You should know how to use the application programming interfaces (APIs)
provided with the OS/400 operating system. This information is
contained in the .
- You should know how to interpret displayed and printed messages.
This information is contained in the ILE COBOL for AS/400
Programmer's Guide.
- You should be familiar with the the concepts and terminology of the
Integrated Language Environment(R) of the i5/OS(R) program.
This information is contained in the ILE Concepts
manual.
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