# 1. Overview

## 1.1 What is AFS file?

"AFS file" is a file that is created by packing various files such as ADX data and graphics data.

A large number of files can be effectively handled by using AFS file.

Files in a packed AFS file can be easily accessed by specifying file ID at runtime.

For more details, please see "ADX File System User's Manual".

[Note] Technical terms

Technical terms used in this document are described below.

Word | Description
AFS file | Packs multiple files into one file. Maximum of 65536 files can be packed. Maximum file size of AFS file is 2GB.
inside file | Constituent files of AFS file.(aka partition) Allocated in units of 2048bytes(sector).
file ID | Identification for inside file.

## 1.2 About AFS Link

"AFS Link" is a tool to create AFS file.

The following figure shows workflow for AFS file creation.

Fig.1.1 Workflow for AFS file creation

Prepare files and pack them into an AFS file by AFS Link. AFS Link outputs an AFS file and a header file that defines file ID's using #define directives.

## 1.3 System Requirements

AFS Link runs on the following environment:

Table 1.1 System requirements
Item | Description
Hardware
| Machine | IBM AT compatible
| CPU | Intel Pentium processor or 100% compatible processor
| Main memory | 64MB or over (128MB or over recommended)
Software
| OS | Microsoft Windows 98/Me/2000/XP or higher

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