ABEND - Abnormal
End
ANSI - American
National Standards Institute
COBOL - Common
Business Oriented Language
COBOL/SF - Cobol Structuring Facility
DB2 - Database
2
EBCDIC - Extended
Binary Coded Decimal
ESA -
Enterprise system architecture
IMS -
Information management system
JES - Job
Entry subsystem
MVS - Multiple
virtual storage
RACF - Resource access control facility
SMS - Storage
management system
VSAM - Virtual
storage access method
SUBSYSTEM
TSO - Time
sharing option
ISPF -
Interactive system productivity facility
SMF - Storage
management facility
CICS - Customer information control system
Telecommunication
BTAM - Basic
telecommunication access method
TCAM -
Telecommunication access method
VTAM - Virtual
telecommunication access method
IMC DB -
Information management system data base
IMS DC -
Information management system data control
DASD - Direct
access storage devices
PR/SM -
Processor resource/System manager
PS - Physical
sequential
PDS -
Partitioned dataset
ESDS - Entry
sequence dataset
KSDS - Key sequence
dataset
RRDS - Relative
record dataset
LDS - Linear
dataset
VTOC - Volume
table of contents