Getting Started with OpenVMS

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Started И Open VMS


A Guide for New Users


Getting Started with OpenVMS


Getting Started with OpenVMS — A Guide for New Users……………………………………………………1


Prefaces……………………………………………………………………………………………………………………………..2


Intended Audience…………………………………………………………………………………………………….2


How to Use This Book……………………………………………………………………………………………….2


Conventions Used in This Book………………………………………………………………………………….2


Differences Among Hardware Architectures…………………………………………………………….3


Format of DCL (Digital Command Language) Commands…………………………………………3


Optional Elements of DCL Commands……………………………………………………………………3


Negatable DCL Command Qualifiers……………………………………………………………………..3


Notations for Keyboard Keys…………………………………………………………………………………4


Use of Bold Face in Examples……………………………………………………………………………….4


«System Manager» Versus «System Administrator»…………………………………………………..4


Acknowledgments……………………………………………………………………………………………………..4


Chapter 1: Introduction………………………………………………………………………………………………………5


Overview………………………………………………………………………………………………………………….5


History……………………………………………………………………………………………………………………..5


Enter the Alpha AXP…………………………………………………………………………………………….6


Enter the Itanium…………………………………………………………………………………………………7


Continued Support for VAX and Alpha Systems………………………………………………………7


The Roles of OpenVMS……………………………………………………………………………………………..8


As a Desktop System…………………………………………………………………………………………..8


As a Multiuser System………………………………………………………………………………………….9


As a Clustered System……………………………………………………………………………………….10


As a Network Server…………………………………………………………………………………………..11


As a Back-End System………………………………………………………………………………………11


Summary…………………………………………………………………………………………………………..11


Part I: A Practical Guide……………………………………………………………………………………………………13


Chapter List……………………………………………………………………………………………………………13


……………………………………………………………………………………………………………………….13


Chapter 2: Hardware Platforms Supporting OpenVMS……………………………………………………….14


The VAX………………………………………………………………………………………………………………..14


The Alpha……………………………………………………………………………………………………………….15


The Intel Itanium……………………………………………………………………………………………………..15


Chapter 3: Multiuser Concepts…………………………………………………………………………………………17


Overview………………………………………………………………………………………………………………..17


Concurrent Access by Many Users……………………………………………………………………………17


Processes, Jobs, and Threads………………………………………………………………………………….18


The Process………………………………………………………………………………………………………18


The Interactive Process………………………………………………………………………………………18


The Detached Process………………………………………………………………………………………..18


The Batch Process……………………………………………………………………………………………..19


The Subprocess…………………………………………………………………………………………………19


The Network Process………………………………………………………………………………………….19


The Other Process……………………………………………………………………………………………..19


Examining System Processes………………………………………………………………………………19


Chapter 3: Multiuser Concepts


The Job…………………………………………………………………………………………………………….20


The Thread……………………………………………………………………………………………………….20


Summary…………………………………………………………………………………………………………..21


Queues: Print, Batch, and Server………………………………………………………………………………21


Print Queues……………………………………………………………………………………………………..21


Batch Queues……………………………………………………………………………………………………22


Server Queues…………………………………………………………………………………………………..22

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