ACB | application control block |
ADS | area data set |
AGN | Application Group Name |
AIB | application interface block |
AO | automated operator |
AOI | automated operator interface |
AOP | automated operator program |
API | application programming interface |
APPC | Advanced Program-to-Program Communication |
ARM | Automatic Restart Manager |
BMP | Batch Message Processing |
BPE | Base Primitive Environment |
CA | control area or change accumulation |
CCTL | coordinator controller |
CFRM | Coupling Facility Resource Manager |
CI | control interval |
CPC | central processing complex |
CQS | Common Queue Server |
CRC | command recognition character |
CSL | Common Service Layer |
CTC | channel-to-channel |
DASD | direct access storage device |
DBCTL | Database Control |
DBD | database description |
DBMS | database management system |
DBRC | Database Recovery Control |
DC | data communication |
DCB | database control block |
DCCTL | Data Communications Control |
DDEP | direct dependent |
DEDB | Data Entry Database |
DIF | device input format |
DL/I | Data Language/I |
DLISAS | DL/I Separate Address Space |
DMB | database management block |
DOF | device output format |
DRA | database resource adapter |
EJB | Enterprise JavaBean |
EMH | Expedited Message Handler |
EOD | end of data |
EOM | end of message |
EOS | end of segment |
ESAF | External Subsystem Attach Facility |
ESCA | extended system control area |
ESDS | entry-sequenced data set |
ETO | Extended Terminal Option |
FDBR | Fast Database Recovery |
FSE | free space element |
FSEAP | free space element anchor point |
GSAM | Generalized Sequential Access Method |
HALDB | High Availability Large Database |
HDAM | Hierarchical Direct Access Method |
HIDAM | Hierarchical Indexed Direct Access Method |
HISAM | Hierarchical Indexed Sequential Access Method |
HSAM | Hierarchical Sequential Access Method |
HSSP | high speed sequential processing |
ICS | Information Control System |
IFP | IMS Fast Path |
ILDS | indirect link data set |
ILE | indirect list entry |
ILK | indirect list entry key |
ILS | isolated log sender |
IMS | Information Management System |
IOVF | independent overflow |
IRLM | internal resource lock manager |
ISC | Intersystem Communications |
ISPF | Interactive System Productivity Facility |
IVP | installation verification program |
JBP | Java Batch Processing |
JCL | job control language |
JMP | Java Message Processing |
KBLA | Knowledge-Based Log Analysis |
KSDS | key-sequenced data set |
LBG | load balancing group |
LPAR | logical partition |
LTERM | logical terminal |
LU | logical unit |
MADS | multiple area data set |
MFS | Message Format Service |
MIF | message input format |
MNPS | multinode persistent sessions |
MOF | message output format |
MPP | message processing program |
MPR | Message Processing Region |
MSC | Multiple Systems Communication |
MSDB | Main Storage Database |
MSS | mass storage system |
MTO | master terminal operator |
NCP | Network Communications Program |
ODBA | Open Database Access |
OLDS | online log data set |
OLR | Online Reorganization |
OM | Operations Manager |
OSAM | Overflow Sequential Access Method |
OTMA | Open Transaction Manager Access |
PCB | program communication block |
PCF | physical child forward |
PDS | partitioned data set |
PDS/E | partitioned data set/extended |
PHDAM | Partitioned Hierarchical Direct Access Method |
PHIDAM | Partitioned Hierarchical Indexed Direct Access Method |
PI | program isolation |
PSB | program specification block |
PTB | physical twin back |
PTERM | physical terminal |
PTF | physical twin forward |
RACF | Resource Access Control Facility |
RAP | root anchor point |
RAS | resource access security |
RBA | relative byte area |
RLDS | recovery log data set |
RM | Resource Manager |
RNR | Rapid Network Reconnect |
RRS | Resource Recovery Services |
RRSAF | Resource Recovery Services attachment facility |
RSR | Remote Site Recovery |
RTT | resource translation table |
SAF | System Authorization Facility |
SAS | separate address space |
SB | sequential buffering |
SCA | system control area |
SCI | Structured Call Interface |
SDEP | sequential dependent |
SHISAM | Simple Hierarchical Indexed Sequential Access Method |
SHSAM | Simple Hierarchical Sequential Access Method |
SLDS | system log data set |
SMP/E | System Modification Program/Extended |
SNA | Systems Network Architecture |
SNPS | single-node persistent session |
SPA | scratch pad area |
SPOC | single point of control |
SRDS | structure recovery data set |
SSA | segment search argument |
SVC | supervisor call |
TCO | time-controlled operations |
TCP/IP | Transmission Control Protocol/Internet Protocol |
TM | Transaction Manager |
TSO | Time Sharing Option |
UCF | Utility Control Facility |
UDB | Universal Database |
UDF | user-defined function |
UOR | unit of recovery |
UOW | unit of work |
VGR | VTAM Generic Resources |
VLF | Virtual Lookaside Facility |
VSAM | virtual storage access method |
VSO | Virtual Storage Option |
VTAM | Virtual Telecommunications Access Method |
WADS | write-ahead data set |
WFI | wait for input |
WLM | Workload Manager |
XCF | cross-system coupling facility |
XES | cross-system extended services |
XML | Extensible Markup Language |
XRF | Extended Recovery Facility |
