AdvFS Guide to File System Administration: Preface

## Preface

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The Advanced File System (AdvFS) is a file-system option on the DIGITAL UNIXTM (formerly DECTM OSF/1®) operating system. It provides rapid crash recovery, high availability, and a flexible structure that enables you to manage your file system while it is on line.

The Advanced File System Utilities (AdvFS Utilities) is a layered product that extends the file-system capabilities by including utilities to add volumes, clone filesets, defragment file domains, stripe files, and balance file domains. The AdvFS Utilities also includes a graphical user interface (GUI) to simplify AdvFS management.

This guide describes the AdvFS and AdvFS Utilities products in detail. It provides information on features and functions, and it gives suggestions on how to use these functions. Most functions can be accomplished through either the command line or GUI; command-line procedures are detailed in this manual. The AdvFS GUI provides online help with instructions on completing specific procedures.

The preface includes the following sections:

- Related Information
- Conventions

## Related Information

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In addition to this guide, the AdvFS documentation set includes the following documents:

Advanced File System Utilities Installation Guide

Advanced File System Utilities Reference Manual

Advanced File System Utilities Release Notes

DIGITAL UNIX Software License Management

DIGITAL UNIX Guide to System Administration

## Conventions

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The following conventions are used in this guide:

Convention | Meaning
UPPERCASE and lowercase | The DIGITAL UNIX system differentiates between lowercase and uppercase characters. Literal strings that appear in text, examples, syntax descriptions, and function descriptions must be entered exactly as shown.
term | This italic type face is used on the first instance of terms defined in the Glossary or text.
`variable` | This italic typeface indicates system variables.
`user input` | This bold typeface is used in interactive examples to indicate input entered by the user
`system output` | This typeface is used in code examples and other screen displays. In text, this typeface indicates the exact name of a command, option, partition, path name, directory, or file.
`%` | The percent sign is the default user prompt.
`#` | A number sign is the default root user prompt.
Ctrl/X | In procedures, a sequence such as Ctrl/X indicates that you must hold down the key labeled Ctrl while you press another key or a pointing device button.

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