Appendix A.   Glossary of Terms  and Acronyms
ACI Automatic Media Library Client Interface
ACL Access Control List
ACSLS Automated Cartridge System Library Software (Science Technology 
Corporation)
ADIC Advanced Digital Information Corporation
accounting The process of tracking system usage per user, possibly for the purposes of 
charging for that usage.  Also, a log record message type used to log information 
to be used by the HPSS Accounting process. This message type is not currently 
used.
AIX Advanced Interactive Executive.   An operating system provided on many IBM 
machines.
alarm A log record message type used to log high-level error conditions.
AML Automated Media Library.  A tape robot.
AMS Archive Management Unit
ANSI American National Standards Institute
API Application Program Interface
archive One or more interconnected storage systems of the same architecture.
attributeWhen referring to a managed object, an attribute is one discrete piece of 
information, or set of related information, within that object.
attribute change When referring to a managed object, an attribute change is the modification of an 
object attribute. This event may result in a notification being sent to SSM, if 
SSM is currently registered for that attribute.
audit (security) An operation that produces lists of HPSS log messages whose record type is 
SECURITY. A security audit is used to provide a trail of security-relevant 
activity in HPSS.
bar code An array of rectangular bars and spaces in a predetermined pattern which 
represent alphanumeric information in a machine readable format (e.g., UPC 
symbol)
BFS HPSS Bitfile Service.
bitfile A file stored in HPSS, represented as a logical string of bits unrestricted in size 
or internal structure. HPSS imposes a size limitation in 8-bit bytes based upon 
the maximum size in bytes that can be represented by a 64-bit unsigned integer.
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