OSI/MHS Orientation Guide

Glossary
OSI/MHS Orientation Guide—424829-001
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Port Access Method (PAM)
wild-card character. A character that stands for any possible character(s) in a search string or
in a name applying to multiple objects. In DSM object-name templates, two wild-card
characters can appear: ? for a single character and * for zero, one, or more consecutive
characters. See also object-name template.
working subvolume. A subvolume that contains temporary files used by the OSI/MHS
subsystem processes. There is a separate working subvolume for each process group.
X.25 access method. See X25AM.
X.25 network. Any network or subnetwork linked using X.25 standards. X.25 standards are
CCITT standards that define packet-switching carrier communication in the Network
Layer over wide area networks (WANs).
X25AM (X.25 access method). A Compaq product that implements the services of the
Network Layer and underlying layers for WANs.
X.400. The CCITT standards of architecture and protocols for message handling systems.
X.400 message. Generic term that means a message, a probe, or report.
XDIR server. A process that prescribes a specific mapping between X.400 O/R names and
Transfer correspondent names and that also has access to the content of incoming and
outgoing messages. The XDIR server is called by the importer and exporter processes
of the Transfer X400 gateway.
XAPIA (X.400 Application Program Interface Association). An organization active in
defining and promoting standard programming interfaces for use in X.400 networks.
XDS. X/Open Common Application Environment specification for Directory Services API.
XOM. X/Open Common Application Environment specification for OSI-Abstract-Data
Manipulation API.
$RECEIVE. The name of a special file through which a process receives and optionally
replies to messages from other processes.