List of Abbreviations


 * ABIOS:Advanced BIOS
 * ACDI:Asynchronous Communications Device Interface
 * ACF:Advanced Communication Facility
 * ACL:Access Control List
 * ACS:Asynchronous Communications Server
 * ACSI:Asynchronous Communications Server Interface
 * ADD:Adapter Device Driver
 * AFDA:Advanced Function Display Adapter
 * AIX:Advanced Interactive Executive
 * ANSI:American National Standards Institute
 * APA:All Points Addressable
 * APAR:Authorized Program Analysis Report
 * API:Application Programming Interface
 * APM:Advanced Power Management
 * 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
 * ASPI:Advanced SCSI Programming Interface
 * ATI:Automatic Transaction Initiation
 * AVEC:Auxiliary Video Extension
 * 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
 * CD-DA:Compact Disc - Digital Audio
 * CD-ROM:Compact Disc - Read Only Memory
 * CD-ROM/XA:Compact Disc - Read Only Memory/Extended Architecture
 * CDB:Command Descriptor Block
 * CDM:Change Distribution Manager
 * CGA:Colour Graphics Adapter
 * 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
 * CPU:Central Processing Unit
 * CRSR:CICS-supplied transaction
 * CS:Configuration Services
 * CSD
 * 1) Customer Service Diskette
 * 2) Corrective Service Delivery
 * CUA:Common User Access


 * DAC:Digital/Analogue Converter
 * 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
 * DDE:Dynamic Data Exchange
 * 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:International 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
 * PD:Problem Determination
 * PIF:Picture Interchange Format
 * PIU:Path Information Unit
 * PLU:Primary Logical Unit
 * PM:Presentation Manager
 * PMR:Problem Management Record
 * PP:Program Product
 * PRPQ:Programming RPQ
 * PSP:Personal Software Products
 * PTF:Programming Temporary Fix
 * 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