OSI/MHS Gateway Programmatic Interface (GPI) Programming Guide
Glossary
OSI/MHS Gateway Programmatic Interface (GPI) Programming Guide—424822-001
Glossary-13
Install program
Install program. The Compaq program that installs new or updated software on the system 
from SUT tapes and creates the ISVs. 
installation file. The file created through the OSI/MHS installation procedure that contains 
the volume and subvolume locations for objects, the security classifications, and the 
installation steps.
installation procedure. The OSI/MHS procedure that creates a default edit file and prompts 
you to modify that file to fit your configuration requirements.
installation subvolume. See ISV.
interactive command. In DSM, a command given by a human operator rather than by a 
program. See also programmatic command.
interface. In general, a set of rules by which a person, a program, or a device interacts with a 
hardware or software product.
In OSI, a set of rules by which a given layer passes information to the adjoining layer 
below or above.
internal tracing. The recording of actions taken by an MTA with respect to a message, 
probe, or report. See also external tracing.
International Telegraph and Telephone Consultative Committee. See CCITT.
interpersonal message (IPM). See IPM.
interpersonal notification (IPN). See IPN.
IPM (interpersonal message, interim product modification). A type of message 
comparable to a business memo.  It consists of a heading and one or more body parts. 
The heading identifies the body parts, which contain the information.
Alternatively, a slightly modified version of a software product, made available to 
customers between regular releases.
IPN (interpersonal notification). A type of message comparable to an acknowledgment of 
receipt of a business memo.
ISO (International Organization for Standardization). A United Nations organization, 
established to promote the development of standards to facilitate the international 
exchange of goods and services and to develop mutual cooperation in areas of 
intellectual, scientific, technological, and economic activity.
ISO Reference Model for Open Systems Interconnection. See OSI Reference Model.
ISV (installation subvolume). A subvolume produced from the SUT during the Install 
process. The Install process creates many ISVs.  The ISV named ZOSIMHS contains 










