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ABI Application Binary Interface
ACE Access Control Entries
ACL Access Control List
AD Microsoft Active Directory
ADSM ADSTAR Distributed Storage
Manager
AFS® Andrew File System
AIX Advanced Interactive eXecutive
ANSI American National Standards
Institute
API application programming interface
APPC Advanced Program-to-Program
Communication
APPN Advanced Peer-to-Peer
Networking®
ARPA Advanced Research Projects
Agency
ASCII American National Standard Code
for Information Interchange
ASR Automated System Recovery
ATM asynchronous transfer mode
BDC Backup Domain Controller
BIND Berkeley Internet Name Domain
BSD Berkeley Software Distribution
C-SPOC cluster single point of control
CA Certification Authorities
CAL Client Access License
CDE Common Desktop Environment
CGI Common Gateway Interface
CIFS Common Internet File System
CIM Common Information Model
CPI-C Common Programming Interface
for Communications
CPU central processing unit
CSR client/server runtime
DAC Discretionary Access Controls
DARPA Defense Advanced Research
Projects Agency
DASD Direct Access Storage Device
DBM database management
DCE Distributed Computing
Environment
Abbreviations and acronyms
DCOM Distributed Component Object
Model
DDE Dynamic Data Exchange
DDNS Dynamic Domain Name System
DES Data Encryption Standard
DFS™ Distributed File System
DHCP Dynamic Host Configuration
Protocol
DLC Data Link Control
DRM Disaster REcovery Manager
DSA Directory Service Agent
DNS Domain Name System
EFS Encrypting File Systems
EGID Effective Group Identifier
EMS Event Management Services
ERP Enterprise Resources Planning
ERRM Event Response Resource
Manager
ESCON® Enterprise System Connection
ESP Encapsulating Security Payload
ESS Enterprise Storage Server
EUID Effective User Identifier
FAT File Allocation Table
FC Fibre Channel
FDDIFEC Fiber Distributed Data Interface
FEC Fast EtherChannel technology
FIFO first in/first out
FQDN fully qualified domain name
FSF file storage facility
FtDisk fault-tolerant disk
FTP File Transfer Protocol
GC global catalog
GDA Global Directory Agent
GDI Graphical Device Interface
GDS Global Directory Service
GID group identifier
GL graphics library
GPFS General Parallel File System
GUI graphical user interface
HA High Availability