Glossary
Abort Upon deciding that an all-or-nothing action cannot or should not commit, to undo all of the changes previously made by that all-or-nothing action. After aborting, the state of the system, as viewed by anyone above the layer that implements the all-or-nothing action, is as if the all-or-nothing action never existed. Compare with commit. [Ch. 9]
Absolute path name In a naming hierarchy, a path name that a name resolver resolves by using a universal context known as the root context. [Ch. 2]
Abstraction The separation of the interface specification of a module from its internal implementation so that one can understand and make use of that module with no need to know how it is implemented internally. [Ch. 1]
Access control list (ACL) ...
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