Glossary
This glossary denes the special terms, abbreviations, and acronyms that are used in this publication and
other related publications. If you do not nd the term that you are looking for, see the IBM Glossary of
Computing Terms that is at the website - http://www.ibm.com/ibm/terminology.
Italicized text indicates that terms are found elsewhere in this glossary.
A
abend
Abnormal end.
ac
Alternating current.
ACS
Automated Cartridge System of a StorageTek silo library.
Access method
A technique for moving data between main storage and input or output devices.
ADI
Automation drive interface.
ADIC
Abbreviation for Advanced Digital Information Corporation. See Quantum.
AES
Advanced encryption standard.
AIX
Advanced Interactive Executive.
IBM's implementation of the UNIX operating system. The System p (RS/6000) system, among others,
runs the AIX operating system.
ajar
Operator panel message that indicates that either a tape cartridge was inserted into the throat of the
drive and not fully loaded (drive is not in tray-up position). Or, a tape cartridge was unloaded by the
drive (drive is in tray down position), remains in the throat, and is not removed.
AL_PA
Arbitrated loop physical address.
alphanumeric
English language alphabetic or arabic numeric characters.
amber
A variant of the color yellow. Amber LEDs might appear as yellow to you on the back of the drive.
ANSI
American National Standards Institute.
ANSI is the ofcial US representative to the International Organization for Standardization (ISO). ANSI
is not government-sponsored.
append
To electronically record data on magnetic tape, but not at beginning-of-tape. Contrast with write.
AR
Used in Parts Catalog 'Units' column to mean "As Required".
ARTIC
'A real-time interface card' processor.
ASC
Additional sense codes.
©
Copyright IBM Corp. 2010, 2018 297
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