Bob Yelavich's Glossary of CICS-related Terms & Abbreviations

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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E

e-business

Electronic business. A term used to describe using and exploiting the power of the Internet for the purpose of better conducting the business of the enterprise.

e-commerce

Electronic commerce. A term used to describe using and exploiting the power of the Internet for the purpose of selling goods and/or services.

EAB

1. Enterprise Access Builder. A Visual Age component which can provide Java bean access to CICS utilizing the CCF client interface.
2. A WebSphere Studio Application Developer component which can provide Java bean access to CICS utilizing the CCI client interface.

EAI

Enterprise Application Integration.

EAR

Enterprise ARchive file. A Java file type.

EBCDIC

Extended Binary Coded Decimal Interchange Code. A machine code set used by IBM computers such as the S/390.

ECB

Event Control Block. An operating system control block used to represent the status of an event.

ECBLIST

An operand of the WAITCICS command, providing a list of MVS-format event control blocks (ECBs) representing events to be waited on.

ECDSA

Extended CICS dynamic storage area, above the 16mb line, as CICS key storage.

ECI

External call interface. A function of the CICS Client software to enable an application to invoke an application running in a full-function CICS system as though it had been LINKed to and passed parameters in a COMMAREA.

ECSA

Extended Common System Area. A major MVS storage area above the 16mb line, containing pageable system data areas addressable by all active virtual address spaces.

EDF

Execution Diagnostic Facility. A CICS-provided testing facility which can display transaction information before and after the execution of CICS commands.

EDI

Electonic Data Interchange.

EDIINT

Electronic Data Interchange - Internet Integration. An Internet protocol.

EDK

Extended Development Kit. A set of JavaSoft standard extensions.

EDS

Electronic Data Systems. A Dallas, TX-based company which provides information technology services.

EDSALIM

A CICS initialization parameter to limit the size of the EDSAs above the 16mb line.

EEQE

Extended error queue element. Contains data describing I/O errors on a database recorded by CICS.

EEQEL

Extended error queue element link. Links various control blocks and data areas used as part of in-doubt recovery with IMS DBCTL.

EGL

Enterprise Generation Language. A WebSphere term.

EIB

Execute Interface Block. A CICS control block which provides run time information to a transaction.

EIBAID

An EIB field which contains the attention identifier used with the last terminal input operation from a 3270 or similar device (e.g. PA or PF key, Enter, Clear, etc).

EIBRESP

EIBRESP and EIBRESP2 are EIB fields which contain a number and other information regarding the RESP (response) condition raised as a result of the previous EXEC CICS command.

EIP

Execute Interface Program. Invoked when a CICS application issues an EXEC CICS command.

EIS

Enterprise Information Server.

EJB

Enterprise Java Beans. Java application code, encapsulated as a named object, which is independent of the physical platform on which it can execute.

ejb-jar

Enterprise Java Bean - Java ARchive file. A file used to store one or more enterprise beans.

ELPA

Extended Link Pack Area. A major MVS storage area above the 16mb line, which can contain reentrant CICS or user programs.

EMP

Event Monitoring Point. A point in CICS code at which CICS monitoring data is collected.

enclave

A Language Environment (LE) term. A collection of routines.

end user

Anyone using CICS to execute one or more transactions to perform a task or set of task (functions).

ENF

Event Notification Facility. An MVS function.

ENIAC

Electronic Numberic Integrator and Calculator. An early, vacuum tube, large scale, electronic computer.

ENQ

Enqueue. A facility by which applications can serialize their use of a given real or symbolic resource.

EOC

1. End of Chain. A VTAM SNA indicator denoting the end of a multi-part message.
2. End of Currency. A term used with reference to end of defect support for an IBM softare product.

EODI

End of data indicator. A user-specified CICS initialization parameter defining the end of data character to be used to delimit sequential transient data input.

EODS

End of data set indicator. An exception condition which can be raised when certain CICS terminal or basic mapping commands are issued.

EOF

1. End of file. A unique record to indicate the end of a data stream or data set.
2. End of file indicator. An exception condition which can be raised when certain CICS non-VTAM terminal commands are issued.

EOJ

End of job.

EOM

End of Marketing. A term used used in conjunction with IBM software products to indicate the product is no longer orderable as of a certain date.

EOV

End of Volume.

EPDM

Enterprise Performance Data Manager. An IBM SystemView performance reporter product.

EPI

External presentation interface. A function of the CICS Client software to enable an application to send/receive 3270 data streams with a full-function CICS system as though it were communicating with a real 3270 display terminal.

EPVT

Error processing vector table. A table of addresses for error group processors used by the sample CICS node error program (NEP).

ERDSA

Extended read-only dynamic storage area, above the 16mb line.

ERP

Enterprise resource planning.

ESA

Enterprise Systems Architecture. An IBM architecture for the design and implementation of S/390 hardware and software.

ESB

1. An error status block, as used by the CICS sample node error program (DFHSNEP)n of S/390 hardware and software.
2. Enterprise Service Bus. Bus-related messaging systems that provide transformation, XML and intelligent routing services.

ESCON

ESDS

Entry Sequenced Data Set. A VSAM file organization in which records are identified by their relative byte address (RBA).

ESDSA

Extended shared dynamic storage area, above the 16mb line.

ESE

Error status element. As used with the CICS sample node error program, an ESE records the occurence of a particular type of error associated with the terminal.

ESI

1. External security interface. An API provided by the CICS Universal Client that utilizes APPC PEM support to verify and update userids and passwords.
2. Edge Server Include, Edge Side Include. A caching facility of WebSphere.

ESJ

Enterprise Server for Java. A specification for implementing JavaSoft's Java for the Enterprise.

ESM

External Security Manager. A CICS programmable interface to be used by user or vendor-written security packages, such as IBM's RACF.

ESQA

Extended System Queue Area. A major MVS main storage area, above the 16mb line, containing tables and queues related to the entire system.

ESSS

In CICSPlex, a component which provides MVS functions required by the product.

ET/390

Enterprise Toolkit/390. A feature of VisualAge for Java Enterprise Edition for use in developing Java applications for CICS on S/390.

Ethernet

Commercial networking standard for transmitting data between computers connected via cables and an ethernet hub. Each computer must have an ethernet card. 10BaseT means computers are connected with twisted wire cable (CAT5) with up to 10 million bps thruput.

ETR

External transaction rate. The amount of useful work completed in a unit of time.

ETTK

Emerging Technology Tool Kit

EUDSA

Extended user dynamic storage area, above the 16mb line.

EUI

End user interface.

EWLM

Enterprise Workload Manager. A goal oriented resource manager.

EXCI

External CICS Interface. A CICS-provided means for applications running in non-CICS regions to invoke applications within a CICS region. Refer to the CICS External Interfaces Guide.

EXEC

A term, when used with CICS, usually refers to the CICS Command Level programming interface.

extranet

A combination of TCP/IP networks (e.g. of different companies) connected with a secure connection, possibly Virtual Private Network technology (VPN).

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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Feedback: Please send a note to Bob Yelavich if you have comments regarding missing or incorrect entries in the glossary.
© 2000-2001 Bob Yelavich