System Management Guide
- ABEND
- Abnormal end of task
- ACF
- Advanced Communication Facility
- API
- Application program interface
- APPC
- Advanced Program-to-Program Communications
- APPLID
- Application ID
- BMS
- Basic mapping support
- CICS
- Customer Information Control System
- CSD
- CICS system definition
- DCT
- Destination Control Table
- DD
- Data definition
- DND
- Do not disturb
- DSCB
- Data set control block
- DTP
- Distributed transaction processing
- CSD
- CICS system definition file
- EIB
- EXEC interface block
- ESDS
- Entry sequenced data set
- FCT
- File Control Table
- GDG
- Generation data group
- IRC
- Interregion communication
- ISC
- Intersystem communication
- JCL
- Job Control Language
- KB
- Kilobyte
- KSDS
- Key sequenced data set
- LU
- Logical Unit
- MB
- Megabyte
- MRO
- Multiregion operation
- MVS/ESA
- Multiple Virtual Storage/Enterprise Systems Architecture
- MVS/XA(TM)
- Multiple Virtual Storage/Extended Addressing
- OS/390
- Operating System/390®
- PBX
- Private branch exchange
- PCT
- Program Control Table
- PDS
- Partitioned data set
- PL/I
- Programming Language/1
- PLT
- Program List Table
- PPT
- Processing Program Table
- RDO
- Resource Definition Online
- SCT
- System Configuration Table
- SDLC
- Synchronous Data Link Control
- SIT
- System Initialization Table
- SMP/E
- System Modification Program/Extended
- SNA
- Systems Network Architecture
- SYSIN
- System input stream
- TCT
- Terminal Control Table
- TD
- Transient data
- TS
- Temporary storage
- TSO
- Time Sharing Option
- VSAM
- Virtual storage access method
