UNIX for OpenVMS Users, Second Edition
A bridge for people switching to UNIX who are familiar with OpenVMS commands and its general operating environment.
TABLE OF CONTENTS UNIX for OpenVMS Users, Second Edition
Chapter 13: Networking
The new electronic independence recreates the world in the image of a global village.
Marshall McLuhan
Overview
Networking is as ubiquitous today as computers themselves. Few computers operate in isolation but are part of networks of computers within an organization (intranet) or throughout the world (Internet [1]). Underneath the hood are many types of processors, running a variety of operating systems.
The UNIX user, as is true of the OpenVMS user, performs a variety of network related tasks. This chapter identifies those tasks and describes the command required to perform them. Unfortunately, the procedure is not a comparatively simple matter of defining a single command for each task: the commands vary according to the type of connection existing between the UNIX computers and the type of access permitted by the system administrator of each computer. For the purposes of this discussion, we consider two types of connection:
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Network, a fast continuous connection using dedicated communication, called Internet.
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Modem, a slow intermittent connection using telephone lines, in which tasks are often queued for transmission by means of the UNIX UUCP utility.
To further complicate the situation, the commands used in network communications are subdivided according to whether the connection is to a UNIX trusted or nontrusted host. The OpenVMS analogue to a UNIX trusted host is a proxy login. To perform a task on another OpenVMS computer, OpenVMS users issue a given command whether they have a proxy login or not. The OpenVMS user provides...
Copyright Butterworth-Heinemann 1998 under license agreement with Books24x7
