Abbreviations and Acronyms
The following abbreviations and acronyms are used throughout this book.
| AIX® | Advanced Interactive Executive |
| ANSI | American National Standards Institute |
| API | Application Program Interface |
| APPC | Advanced Program-to-Program Communications |
| APPN | Advanced Peer-to-Peer Networking |
| ARP | Address Resolution Protocol |
| ASCII | American National Standard Code for Information Interchange |
| ASN.1 | Abstract Syntax Notation One |
| AUI | Attachment Unit Interface |
| BFS | Byte File System |
| BIOS | Basic Input/Output System |
| BNC | Bayonet Neill-Concelman |
| CCITT | Comite Consultatif International Telegraphique et Telephonique. The International Telegraph and Telephone Consultative Committee |
| CLIST | Command List |
| CMS | Conversational Monitor System |
| CP | Control Program |
| CPI | Common Programming Interface |
| CREN | Corporation for Research and Education Networking |
| CSD | Corrective Service Diskette |
| CTC | Channel-to-Channel |
| CU | Control Unit |
| CUA | Common User Access |
| DASD | Direct Access Storage Device |
| DBCS | Double Byte Character Set |
| DLL | Dynamic Link Library |
| DNS | Domain Name System |
| DOS | Disk Operating System |
| DPI | Distributed Program Interface |
| EBCDIC | Extended Binary-Coded Decimal Interchange Code |
| EISA | Enhanced Industry Standard Adapter |
| ESCON | Enterprise Systems Connection Architecture |
| FAT | File Allocation Table |
| FTAM | File Transfer Access Management |
| FTP | File Transfer Protocol |
| FTP API | File Transfer Protocol Applications Programming Interface |
| GCS | Group Control System |
| GDF | Graphics Data File |
| HPFS | High Performance File System |
| ICMP | Internet Control Message Protocol |
| IEEE | Institute of Electrical and Electronic Engineers |
| IETF | Internet Engineering Task Force |
| IGMP | Internet Group Management Protocol |
| IP | Internet Protocol |
| IPL | Initial Program Load |
| ISA | Industry Standard Adapter |
| ISDN | Integrated Services Digital Network |
| ISO | International Organization for Standardization |
| IUCV | Inter-User Communication Vehicle |
| JES | Job Entry Subsystem |
| JIS | Japanese Institute of Standards |
| JCL | Job Control Language |
| LAN | Local Area Network |
| LAPS | LAN Adapter Protocol Support |
| LCS | IBM® LAN Channel Station |
| LDAP | Lightweight Directory Access Protocol |
| LPQ | Line Printer Query |
| LPR | Line Printer Client |
| LPRM | Line Printer Remove |
| LPRMON | Line Printer Monitor |
| LU | Logical Unit |
| MAC | Media Access Control |
| Mbps | Megabits per second |
| MBps | Megabytes per second |
| MCA | Micro Channel Adapter |
| MIB | Management Information Base |
| MIH | Missing Interrupt Handler |
| MILNET | Military Network |
| MHS | Message Handling System |
| MTU | Maximum Transmission Unit |
| MVS™ | Multiple Virtual Storage |
| MX | Mail Exchange |
| NCP | Network Control Program |
| NDIS | Network Driver Interface Specification |
| NFS | Network File System |
| NIC | Network Information Center |
| NLS | National Language Support |
| NSFNET | National Science Foundation Network |
| OS/2 | Operating System/2® |
| OSA | Open Systems Adapter |
| OSF | Open Software Foundation, Inc. |
| OSI | Open Systems Interconnection |
| OSIMF/6000 | Open Systems Interconnection Messaging and Filing/6000 |
| OV/MVS | OfficeVision/MVS |
| OV/VM | OfficeVision/VM |
| PAD | Packet Assembly/Disassembly |
| PC | Personal Computer |
| PCA | Parallel Channel Adapter |
| PDN | Public Data Network |
| PDU | Protocol Data Units |
| PING | Packet Internet Groper |
| PIOAM | Parallel I/O Access Method |
| POP | Post Office Protocol |
| PROFS | Professional Office Systems |
| PSCA | Personal System Channel Attach |
| PSDN | Packet Switching Data Network |
| PU | Physical Unit |
| PVM | Passthrough Virtual Machine |
| RACF® | Resource Access Control Facility |
| RARP | Reverse Address Resolution Protocol |
| REXEC | Remote Execution |
| REXX | Restructured Extended Executor Language |
| RFC | Request For Comments |
| RIP | Routing Information Protocol |
| RISC | Reduced Instruction Set Computer |
| RPC | Remote Procedure Call |
| RSCS | Remote Spooling Communications Subsystem |
| SAA | Systems Application Architecture® |
| SBCS | Single Byte Character Set |
| SFS | Shared File System |
| SLIP | Serial Line Internet Protocol |
| SMIL | Structure for Management Information |
| SMTP | Simple Mail Transfer Protocol |
| SNA | Systems Network Architecture |
| SNMP | Simple Network Management Protocol |
| SOA | Start of Authority |
| SPOOL | Simultaneous Peripheral Operations Online |
| SQL | IBM Structured Query Language |
| TCP | Transmission Control Protocol |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TSO | Time Sharing Option |
| TTL | Time-to-Live |
| UDP | User Datagram Protocol |
| VGA | Video Graphic Array |
| VM | Virtual Machine |
| VMCF | Virtual Machine Communication Facility |
| VM/ESA | Virtual Machine/Enterprise System Architecture |
| VMSES/E | Virtual Machine Serviceability Enhancements Staged/Extended |
| VTAM® | Virtual Telecommunications Access Method |
| WAN | Wide Area Network |
| XDR | eXternal Data Representation |