List of Abbreviations

ACDI

Asynchronous Communications Device Interface

ACF

Advanced Communication Facility

ACL

Access Control List

ACS

Asynchronous Communications Server

ACSI

Asynchronous Communications Server Interface

AFDA

Advanced Function Display Adapter

AIX

Advanced Interactive Executive

ANSI

American National Standards Institute

APA

All Points Addressable

API

Application Programming Interface

APPC

Advanced Program-to-Program Communication

APPN

Advanced Peer-to-Peer Networking

ASCII

American Standard Code for Information Interchange

ASLM

Apple Shared Library Manager

ASM

Address Space Manager

ASP

Attached Support Processor

ATI

Automatic Transaction Initiation

AVIO

Advanced Video Input/Output

BIOS

Basic Input/Output System

BPB

BIOS Parameter Block

BRI

Basic Rate ISDN

BSC

Binary Synchronous Communications

BTU

Basic Transmission Unit

CADAM

Computer-graphics Augmented Design And Manufacture

CC

Change Control

CD

Compact Disc

CDB

Command Descriptor Block

CDM

Change Distribution Manager

CICS

Customer Information Control System

CID

Configuration, Installation, Distribution

CJN

Corporate Job Network

CMS

Conversational Monitor System

CNOS

Change number of sessions

COS

Class of Service

CP

Control Point

CRSR

CICS-supplied transaction

CS

Configuration Services

CSD

Customer Service Diskette

DAF

Destination Address Field

DASD

Direct Access Storage Device

DBCS

Double-Byte Character Set

DC

Device context

DCDB

Domain Control Database

DDB

Device-dependent bit map

DDM

Distributed Data Manager

DEN

Distribution Element Name

DGN

Distribution Group Name

DHCF

Distributed Host Command Facility

DLC

Data Link Control

DLL

Dynamic Link Library

DLU

Dependent Logical Unit

DPI

Distributed Protocol Interface

DSNX

Distributed System Node Executive

DSPT

Display Station Pass Through

DSU

Distribution Service Unit

DSUN

Distribution Service Unit Name

EBI

Enhanced BIOS Interface

ECI

External Call Interface

EGA

Enhanced Graphics Adapter

EN

End Node

EP

End Point

EPI

External Presentation Interface

ESA

Enterprise Systems Architecture

FAT

File Allocation Table

FDP

Field Developed Program

FP

Focal Point

FQPCID

Fully Qualified Procedure Correlation Identifier

GCCI

Generic Call Control Interface

HASP

Houston Automatic Spooling Priority

HCF

Host Command Facility

HSM

Hierarchical Storage Manager

ICA

Integrated Communications Adapter

IPL

Initial Program Load

IPLA

IBM Program License Agreement

ISA

Industry Standard Architecture

ISDN

Integrated Services Digital Network

IUP

Installed User Program

JECL

Job Entry Control Language

JES

Job Entry Subsystem

JCL

Job Control Language

LAN

Local Area Network

LAPS

LAN Adapter and Protocol Support

LCU

LAN CID Utility

LEN

Low Entry Networking

LFSID

Local Form Session Identifier

LLC

Logical Link Control

LU

Logical Unit

LVM

Logical Volume Manager

MAC

Media Access Control

MCGA

Multi Colour Graphics Array

MI

Machine Interface

MLI

Multi-Leaving Interface

MPTS

Multi-Protocol Transport Services

MS

Management Services

MVS

Multiple Virtual Storage

NCP

Network Control Program

NDH

Network Data set Header

NDIS

Network Driver Interface Specification

NJE

Network Job Entry

NJI

Network Job Interface

NLS

National Language Support

NN

Network Node

NOF

Network Operator Facility

NS

Networking Services

NvDM

NetView Distribution Manager

OAF

Origin Address Field

ODF

Object Distribution Facility

ODI

Open Data-link Interface

OID

Object Identifier

OOAI

OAF-OAF Assignor Indicator

PC

1. Path Control
2. Personal Computer

PIF

Picture Interchange Format

PIU

Path Information Unit

PLU

Primary Logical Unit

PM

Presentation Manager

PP

Program Product

PRPQ

Programming RPQ

PVC

Private Virtual Circuit

RACF

Resource Access Control Facility

RAR

Route Addition Resistance

RDO

Resource Definition Online

REN

Routing Element Name

RFC

Request for Comments

RGN

Routing Group Name

RIPL

Remote Initial Program Load

RJP

Remote Job Processing

RPQ

Request for Price Quotation

RSCS

Remote Spooling Communications Subsystem

RSCV

Route Selection Control Vector

RTP

Remote Terminal Processing

SBCS

Single Byte Character Set

SCP

System Control Program

SDLC

Synchronous Data Link Control

SLIP

Serial Line Internet Protocol

SLU

Secondary Logical Unit

SMF

System Management Facility

SNA

Systems Network Architecture

SNADS

SNA Distribution Services

SNBU

Switched Network Back Up

SNMP

Simple Network Management Protocol

SOC

Sphere of Control

SS

Session Services

SSCP

System Services Control Point

SVC

Switched Virtual Circuit

TCAM

Telecommunications Access Method

TCS

Connection and Session table

TCT

Terminal Control table

TD

Transaction Definition

TDD

Transient Data Definition

TG

Transmission Group

TP

Transaction Program

TRS

Topology and Routing Services

TSO

Time Sharing Option

UDP

User Datagram Protocol

UNC

Universal Naming Convention

UPS

Uninterruptible Power Supply

VGA

Video Graphics Array

VM

Virtual Machine

VPD

Vital Product Data

VTAM

Virtual Telecommunications Access Method

XCA

External Communication Adapter

XID

Exchange Identification